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ScummVM

ScummVM is a free and open-source cross-platform program that reimplements the engines of classic graphical adventure and role-playing games, enabling users to play them on modern systems using the original data files without the proprietary executables. Originally launched in 2001 by developer as a reimplementation of the (Script Creation Utility for Maniac Mansion) engine—created in 1987 by Aric Wilmunder and for LucasArts titles like —ScummVM has expanded far beyond its initial scope to support over 100 engines and more than 325 games from various publishers, including On-Line, , and (as of 2025). Key examples of supported titles include the Monkey Island series, , , , and , with recent additions such as Hodj 'n' Podj and Martian Memorandum as of 2025, ensuring preservation of these works through community-driven that reimplements the engines in portable C++ code. The project runs on a wide array of platforms, from desktops like Windows, , and macOS to mobile devices such as and , and even consoles including , , and legacy systems like and Atari/FreeMiNT, fostering accessibility and ongoing development through daily builds, forums, and contributions from a global team.

Features

Engine Recreation and Compatibility

ScummVM's foundational engine recreation centers on the (Script Creation Utility for Maniac Mansion) system, originally developed by (later LucasArts) for creating point-and-click adventure games. SCUMM employs a script-based design where game logic, including object interactions, dialogue trees, and environmental responses, is defined through high-level scripts compiled into , enabling modular development and portability across early hardware like the Commodore 64 and . This approach separated content creation from the runtime interpreter, allowing designers to script puzzles and narratives without low-level programming. The reimplementation process in ScummVM involves reverse-engineering and recreating the original engines as virtual machines (VMs) that interpret the proprietary bytecode from the games' data files, obviating the need for the original executables. Resources such as graphics, sound assets, and scripts are extracted directly from the original data files—typically archived in formats like LFL or LAB—without requiring user intervention or external tools for most titles. Graphics are rendered using modern APIs like OpenGL or SDL, sound is mixed via cross-platform audio backends, and input is mapped to host system events, all while avoiding emulation of the original hardware to ensure native performance and compatibility. This bytecode interpretation preserves the original game logic while adapting it to contemporary systems, with the VM executing opcodes that handle state management, resource loading, and event dispatching. Key compatibility features include built-in subtitle support, which displays text from script data even in speech-only versions of games that originally lacked them, enhancing accessibility for hearing-impaired users or silent playback. Aspect ratio corrections adjust the display for original 320x200 resolutions using rectangular pixels to match the intended 4:3 proportions on modern screens, preventing distortion. For incomplete implementations, fallback modes disable unsupported features—such as advanced animations or specific audio effects—while allowing the core game to proceed, often indicated in compatibility reports as partial support. Recreated mechanics emphasize faithful preservation of interactive elements central to adventure games. scripting is handled through sequenced instructions that orchestrate timed events, transitions, and animations derived from the original . Inventory systems manage item states, visibility, and usage via object-oriented calls, ensuring puzzles involving combination or behave identically to the originals. Puzzle logic, including conditional branching based on actions and environmental variables, is executed deterministically within the VM to maintain challenge integrity without altering outcomes. Primary engine families supported by ScummVM include several variants of , alongside Sierra's and systems, each with distinct scripting paradigms. versions range from v0 (basic scripting for early text-heavy adventures with simple opcodes for movement and dialogue) to v8 (advanced features like compressed music scripting and integration, using stack-based with up to 25 cooperative threads). (Adventure Game Interpreter) employs the Game Adaptation Language (), a procedural scripting system compiled to for logic resources that define room behaviors, object properties, and view cycles in early graphical adventures. (Sierra Creative Interpreter) utilizes an object-oriented executed on a p-machine VM, supporting , polymorphism, and calls for more complex interactions in later titles, with scripts managing selectors for properties like position and visibility.

User Interface and Enhancements

ScummVM features a built-in launcher that serves as the primary interface for game detection, configuration, and management of multiple installations. Users add games by selecting directories containing data files, after which the launcher automatically detects the title, assigns an ID, and configures basic settings such as and . The launcher displays a list of added games, allowing quick launching, editing of game-specific options via a dedicated tab, and global adjustments through an options menu. Within games, ScummVM provides an in-game (GUI) accessible via the Global Main Menu, invoked by pressing Ctrl+F5, which includes save and load states with previews for easy identification. This menu also offers options for graphics scaling, audio mixing, and control remapping, enabling users to customize keybindings and inputs directly. Save states support multiple slots, surpassing the original games' limitations in some cases, and are generated automatically to represent save points visually. ScummVM includes several enhancements to improve accessibility and the overall gameplay experience. High-resolution scaling is achieved through various software scalers, such as 2x, HQ2x, and AdvMAME modes, which upscale original low-resolution graphics while preserving pixel art aesthetics; aspect ratio correction ensures 4:3 proportions for 320x200 games by adding scanlines, and stretch modes like "fit to window" adapt output to modern displays. The interface supports theming, allowing selection of visual styles, and internationalization (i18n) for over 40 languages, configurable in the GUI tab to match user preferences or game subtitles. Accessibility options include adjustable text speed in supported engines, dialogue skipping via the period key (.), and text-to-speech for dialogues and descriptions on compatible platforms. Audio enhancements in ScummVM replicate and extend original hardware capabilities. Built-in MT-32 emulation supports synthesizer sounds, with options for true MT-32 mode or mappings via soundfonts; AdLib emulation uses OPL3 features for improved stereo and instrument support. Volume controls allow independent adjustment of music, sound effects (SFX), and speech levels, with a global mute option, ensuring balanced mixing tailored to user hardware. For advanced users, ScummVM offers a console activated by Ctrl+D, providing commands for inspecting scripts, viewing room details, and executing cheats like revealing drafts in . This tool facilitates scripting analysis and testing without altering game files.

Platform Ports

ScummVM is available on major desktop operating systems, including Windows, macOS, and distributions. On Windows and macOS, users can pre-built installers from the website, which include auto-updaters for seamless version management. For , ScummVM is distributed through popular package managers such as APT for Debian-based systems, for Arch Linux, , and , enabling easy installation and updates via system tools. These desktop ports support full mouse and keyboard input, with straightforward access to game data directories, though building from source requires tools like and SDL2 libraries. Mobile ports extend ScummVM to and devices, adapting the interface for touch-based interaction. The port, available via Store or direct downloads, incorporates configurable touch controls including direct mode for precise pointing, emulation for drag gestures, and emulation for button mapping; an on-screen appears on long-press for text input. File system access on requires explicit folder permissions for SD cards or cloud storage, addressing 's scoped storage restrictions since version 2.7.0. On , the official release since 2023 supports touch controls with one-finger taps for left clicks and two-finger taps for right clicks, alongside and support; sideloading is possible by compiling from source using . file access relies on cloud services like or local transfers via Finder, as direct integration is unavailable, with potential challenges in data persistence upon app uninstallation. Console ports target dedicated gaming hardware, with adaptations for controller input and limited storage. On the , ScummVM runs via homebrew launchers like Atmosphere, with game files stored on SD cards; controller mapping assigns the left to movement, B button to left click, and A to right click, though storage is constrained by the Switch's limits for homebrew applications. The port installs as a .VPK package using VitaShell, leveraging the device's touch screen and s for emulation, while rear touch and buttons handle clicks; storage poses limitations for larger game datasets. Ports for the Nintendo Wii and Sega Dreamcast use backends for controller mapping, with Wii remotes emulating via pointer functionality and Dreamcast's analog pad for navigation, both optimized for or storage but challenged by hardware power constraints. Retro and embedded ports bring ScummVM to legacy and low-power systems, emphasizing performance optimizations. The and ports, installed via homebrew like TWiLight Menu++, utilize dual-screen setups for game display and controls, with and for input; optimizations include fast CPU modes and reduced support to achieve playable frame rates on processors. The (PSP) port supports joystick mapping via analog nub and touchscreen, with builds requiring the PSP SDK for compilation, addressing storage via and performance via MIPS-specific tweaks. and ports provide native file browsers and audio support (MP3, OGG, ), using system joysticks for input; these require platform-specific toolchains like for Amiga and RISC OS Build System, with challenges in file path handling due to non-standard file systems. An experimental /WebAssembly port enables -based play using , allowing demos to run without installation, though limited to basic functionality and lacking full audio due to constraints. Emerging ports include via the build, benefiting from optimizations for low-power playback, and , which inherits mobile touch and adaptations but requires APKs for non-Play Store access. Across ports, common challenges involve adapting mouse-centric input to joysticks or touch, securing , and ensuring cross-platform compatibility through abstractions.

History

Founding and Early Development

ScummVM originated as a hobby project in 2001, initiated by Swedish programmer , a student who sought to recreate the functionality of LucasArts' engine to run classic adventure games on modern systems, starting with a reverse-engineered interpreter for . began development with a focus on version 5, initially supporting games like and the Last Crusade, before expanding compatibility to the full series, including and 2: LeChuck's Revenge. This effort addressed the challenges of running DOS-based titles on contemporary hardware, emphasizing engine recreation over emulation of original executables. The project's first public release, version 0.0.1, occurred on October 9, 2001, marking the initial commit by Strigeus and enabling basic playback of select games. Shortly thereafter, Hamm contributed significantly by adding support for additional titles like and the Fate of Atlantis, leading to the adoption of a CVS repository in October 2001 for coordinated development. Exposure via a article on November 3, 2001, attracted broader interest, prompting the transition to for enhanced collaboration and . By early 2002, the team expanded with contributors including , who later assumed a leadership role, and the project formally adopted the GNU General Public License (GPL) to facilitate open-source contributions. Key milestones in the early years included the release of version 0.2.0 on May 14, 2002, which introduced support for the non-SCUMM Simon the Sorcerer engine, and version 0.3.0 in December 2002, featuring a graphical user interface launcher. A Windows port emerged around this time, broadening accessibility beyond Linux, while ongoing refinements addressed audio features like iMUSE digital sound support. These developments solidified ScummVM as a viable alternative for preserving and playing early 1990s adventure games, with the core team growing to about a dozen active developers by mid-2002.

Expansion and Developer Support

During the mid-2000s, ScummVM experienced substantial growth, particularly from 2005 to 2010, as the project expanded its engine support to encompass a broader range of classic adventure games. Key additions included enhanced implementations for the AGOS engine, enabling compatibility with titles like Simon the Sorcerer, the Gob engine for the Gobliiins series, and the Kyra engine for games such as Lands of Lore and The Legend of Kyrandia. These developments built on earlier foundations, allowing ScummVM to preserve and run an increasing variety of non-SCUMM-based adventures while maintaining cross-platform accessibility. Developer support played a pivotal role in this expansion. In 2004, ScummVM reached a milestone by achieving full compatibility with all LucasArts adventure titles, which served as an implicit endorsement from the company for archival and preservation efforts, as no legal objections were raised despite the project's reverse-engineering approach. By 2006, collaborations with led to significantly improved support for their children's titles, including better handling of international versions and audio features in releases like version 0.8.1. Similarly, involvement from Sierra alumni contributed to the maturation of 0 and 1 engine support, culminating in the 2009 merger with the FreeSCI project, which integrated advanced SCI interpretation capabilities developed by Sierra enthusiasts. Community engagement further fueled this period of scaling. ScummVM participated in its first (GSoC) in 2007, attracting student contributors to enhance engine features and platform ports, marking the beginning of annual involvement that bolstered development momentum. By 2009, release cycles had stabilized into the 1.x series, with consistent annual updates reflecting matured project management. Internationalization efforts also gained traction starting in 2007, as translation teams formed to localize the and support multi-language game through community-driven commits. Milestone releases underscored these advancements. Version 1.0.0, released on November 15, 2009, represented a stable foundation supporting over 20 engines, including comprehensive , , and early implementations, solidifying ScummVM's role in game preservation. Later, version 1.7.0, released on July 21, 2014, introduced the engine for titles like and partial support for (AGS) games, extending compatibility to additional indie-era adventures.

GPL Violations and Legal Issues

In late 2008, the ScummVM development team discovered that Mistic Software, a Ukrainian firm subcontracted by Majesco Entertainment and Atari, had created proprietary forks of ScummVM version 0.9.0 for Wii ports of Humongous Entertainment children's games, including Freddi Fish, Putt-Putt Travels Through Time, and Spy Fox in Dry Cereal. These forks violated the GNU General Public License (GPL) by incorporating ScummVM code without releasing the modified source code, despite clear evidence such as retained ScummVM credits in the binaries and a known graphics glitch from the original version. The violation came to light through fan reports and binary analysis, highlighting how commercial entities sometimes exploited open-source software without compliance. The ScummVM team responded by issuing a cease-and-desist notice in early , demanding that Mistic release the source code and cease distribution. Mistic denied the infringement, claiming the code was independently developed, which prompted the ScummVM team to seek legal assistance from gpl-violations.org and pursue formal action against and its partners. Mistic's non-compliance led to significant backlash, including widespread discussion on forums and of the company within open-source circles for undermining GPL principles. The incident also drew threats of counter-litigation from , citing Nintendo's developer agreements, escalating tensions around open-source use in proprietary hardware ecosystems. The dispute was ultimately settled out of court in May 2009, with Mistic agreeing to cover all legal fees, donate an undisclosed amount to the , and halt further use of ScummVM code without explicit permission. Atari committed to destroying all unsold copies of the affected games after a limited sales period, effectively phasing out the infringing versions by late 2009. This resolution reinforced the enforceability of the GPL in commercial contexts and educated developers on open-source licensing obligations, prompting broader discussions within the community about protecting contributions through clearer contributor agreements and proactive monitoring. During the 2008–2010 period, the ScummVM team also addressed several minor instances of GPL non-compliance, such as unauthorized ports of ScummVM to niche platforms and improper bundling of game assets with binaries, resolving them through DMCA notices and direct outreach to distributors. These cases, while less prominent than the Mistic affair, underscored the ongoing need for vigilant to maintain the project's . By 2012, the mainline ScummVM releases had fully integrated and enhanced support for the affected Humongous titles, ensuring compatibility without reliance on modifications.

Merger with ResidualVM

ResidualVM originated in 2003 as a sister project to ScummVM, focused on reimplementing 3D adventure game engines to enable play of titles like Grim Fandango, which relies on the GrimE engine, on modern hardware. The project, named after the "Residual" reimplementation of GrimE and Lua-based engines, shared developers, codebases, and the GNU General Public License with ScummVM, allowing parallel advancement of 2D and 3D preservation efforts. Over the years, ResidualVM expanded to support additional 3D engines, such as Pegasus for The Pegasus Expedition, while maintaining compatibility with ScummVM's infrastructure. The merger between ScummVM and ResidualVM was announced on , , driven by the projects' overlapping developer communities, identical GPL licensing, and the practical benefits of unified maintenance for both and support. This integration aimed to streamline development resources and enhance the overall ecosystem for classic game preservation, allowing a single tool to handle a broader range of titles without duplicating efforts on shared components like audio and graphics backends. The integration process spanned approximately one year, involving the porting of key ResidualVM engines—such as the Grim engine for and the Pegasus engine—directly into the ScummVM codebase to ensure seamless operation within the existing framework. Technical efforts included unifying build systems across platforms, resolving differences in application programming interfaces (APIs) between the 2D-focused ScummVM and 3D-oriented ResidualVM, and rigorously testing pipelines on devices and operating systems originally optimized for games. The process culminated in the release of ScummVM version 2.5.0 on October 9, 2021, which officially incorporated ResidualVM's functionality and marked the project's 20th anniversary. Post-merger, the addition of 3D titles to ScummVM's core supported games list expanded accessibility for users, enabling desktop play of ResidualVM-exclusive adventures like Escape from Monkey Island and Myst III: Exile through a single application. Development of these engines continued under the ScummVM umbrella, benefiting from the larger team's contributions and fostering ongoing enhancements to 3D compatibility without the need for separate installations.

Supported Games

LucasArts SCUMM-Based Games

ScummVM provides complete support for all versions of the SCUMM engine, from v0 to v8, originally developed by LucasArts for their graphical adventure games. This enables users to play the original LucasArts titles on modern hardware without needing the proprietary executables, preserving the point-and-click adventure legacy that defined the genre in the late 1980s and 1990s. As the project's namesake, the SCUMM reimplementation forms the core of ScummVM, ensuring high-fidelity recreation of gameplay mechanics, dialogue, and puzzles. Key examples of fully supported LucasArts SCUMM games include Maniac Mansion (1987, SCUMM v0/v1), the pioneering title that introduced the engine's script-based system for interactive storytelling. The Monkey Island series showcases evolving SCUMM iterations: The Secret of Monkey Island (1990, v5), Monkey Island 2: LeChuck's Revenge (1991, v5), and The Curse of Monkey Island (1997, v8), all with excellent compatibility allowing seamless navigation through witty narratives and pirate-themed puzzles. Other seminal titles like Day of the Tentacle (1993, v6), a time-travel sequel to Maniac Mansion, and Full Throttle (1995, v7), a biker adventure with compressed video elements, achieve 100% compatibility in their standard releases. ScummVM handles various game variants effectively, including EGA and VGA editions for early titles like Indiana Jones and the Last Crusade (1989, v3), 256-color versions for mid-period games such as Sam & Max Hit the Road (1993, v6), and specialized ports like FM-TOWNS for Zak McKracken and the Alien Mindbenders (1988, v2). Enhanced modes support Commodore formats in Full Throttle and CD talkie versions with voice acting in games like The Dig (1995, v7) and Indiana Jones and the Fate of Atlantis (1992, v5). For low-resolution originals, ScummVM includes enhancements such as scalable graphics modes with filters to upscale VGA-era while maintaining correction, improving visual clarity on high-definition displays without altering the artistic intent. These features, combined with bug fixes and quality-of-life improvements derived from cross-version analysis, ensure robust playability across all supported titles.

Sierra and AGI/SCI Games

ScummVM provides comprehensive support for On-Line's early adventure games developed using the (AGI) engine, which powered titles from 1984 to 1989 across versions AGI v1 through v3. This recreation, integrated from the Sarien project in 2006 and first released in ScummVM 0.10.0, faithfully emulates the full text parser for command input and icon-based interactions for inventory management and actions, allowing players to navigate parser-driven narratives without the original hardware. Key supported series include the trilogy ( I: Quest for the Crown, II: Romancing the Throne, and III: To Heir Is Human), and II, and : In Pursuit of the Death Angel, all achieving excellent in ScummVM's development builds. Building on AGI, ScummVM's support extends to Sierra's SCI (Sierra Creative Interpreter) engine, covering versions SCI v0 to v1.2 from 1989 to 1996, which introduced enhanced graphics, sound, and scripting for more complex adventures. Integrated from the FreeSCI project in 2009 and debuting in ScummVM 1.2.0, the engine recreates real-time elements such as timed events and animations, alongside MIDI music playback for immersive audio experiences. Prominent examples include the series (I through IV), 2 through 7, and : Sins of the Fathers, with full enabling seamless playback of these parser-based titles featuring evolving EGA and VGA visuals. Resource extraction from SCI archives is handled natively, supporting toggles between speech and music, while fixes address original bugs like erratic in . As of November 2025, ScummVM provides good to excellent support for many SCI32 titles (versions v6 and v7, post-1996), such as Phantasmagoria and Lighthouse: The Dark Being, with core gameplay and most multimedia features playable, though some edge cases may require development builds. This progression from AGI's foundational text adventures to SCI's multimedia evolution underscores ScummVM's role in preserving Sierra's influential design principles, including hybrid parser and point-and-click mechanics.

Humongous Entertainment and Children's Titles

ScummVM provides comprehensive support for Humongous Entertainment's family-oriented adventure games, which utilize customized versions of the SCUMM v6 and v7 engines from the 1990s. These titles, designed primarily for children, include the Putt-Putt series—such as Putt-Putt Joins the Parade (1992) and Putt-Putt Saves the Zoo (1995)—the Freddi Fish series—like Freddi Fish and the Case of the Missing Kelp Seeds (1994)—and the Pajama Sam series, including Pajama Sam: No Need to Hide (1996) and Pajama Sam 2: Thunder and Lightning Aren't so Frightening (1998). Nearly all of these games achieve excellent or good compatibility in ScummVM's latest development builds, with full handling of interactive mini-games, animated sequences, and educational elements that promote problem-solving, reading, and basic concepts like geography or history. The Backyard Sports series, another key Humongous IP, is also well-supported, encompassing titles such as Backyard Baseball (1997) and Backyard Soccer (1999), which feature simplified point-and-click controls tailored for young players and original multiplayer modes that ScummVM emulates through its input system. These games emphasize fun, accessible gameplay with team-based activities, and ScummVM maintains compatibility across both floppy disk and CD-ROM versions, allowing users to run original data files without modification. Enhancements in ScummVM include audio-visual fixes, such as improved subtitle readability in later entries like Freddi Fish 4: The Case of the Hogfish Rustlers of Briny Gulch, ensuring a smooth experience on modern hardware. In addition to core Humongous titles, ScummVM supports related children's content through the engine, notably the interactive storybook series from , which includes Disney-licensed adaptations like Winnie the Pooh and the Honey Tree (1993) and The New Kid on the Block (1993). These offer partial to excellent compatibility, with clickable animations and read-along narration preserved for educational purposes. ScummVM's global menu provides child-safe features, such as autosave functionality accessible via Ctrl+F5, which helps prevent progress loss during play sessions, alongside a simplified launcher interface that streamlines game selection without complex configurations.

Other Engines and Third-Party Games

ScummVM provides full support for the AGOS engine, developed by Adventure Soft and Horror Soft, enabling playability of classic 2D adventure games featuring sprite-based graphics and puzzle mechanics. Key titles include the Simon the Sorcerer series, where both Simon the Sorcerer and Simon the Sorcerer II: The Lion, the Wizard and the Wardrobe achieve excellent compatibility, allowing complete gameplay without major interruptions. The Elvira series, including Elvira: Mistress of the Dark and Elvira II: The Jaws of Cerberus, receives good compatibility, with full 2D sprite rendering and puzzle interactions operational, though minor audio enhancements like AdLib and MT-32 drivers were added in later releases to improve fidelity. Overall, AGOS titles maintain compatibility levels above 90%, with no widespread unresolved script bugs reported in stable versions. The Gob engine supports games from , emphasizing multi-character control and intricate puzzle-solving in whimsical fantasy settings. Titles such as , Goblins 2, and Goblins Quest 3 exhibit excellent , preserving the original mechanics for simultaneous character management and environmental interactions. Inca is also supported, though testing indicates it may require specific configurations for optimal performance, achieving near-complete playthroughs. These games generally reach 90%+ , with resolved issues ensuring stable execution of core scripts. Following the merger with ResidualVM, ScummVM incorporated the engine, facilitating partial support for mid-1990s titles that blend multimedia elements with adventure gameplay. The (1997) is a prominent example, with the original release achieving excellent compatibility for its narrative-driven sequences and cinematic effects, though the Gold Edition remains unsupported. This addition extends to other Director-based games, maintaining high compatibility for 2D assets while focusing on script execution. Similarly, the AGS () engine supports versions 2.5 and later, with recent updates to 3.6.1.30 enabling recent indie titles such as Stranger in Utopia and improved sound clip handling. Both engines offer 90%+ compatibility for targeted titles, with occasional minor script optimizations ongoing. Among miscellaneous third-party titles, ScummVM handles educational games via adapted engine support, such as , which achieves good on Macintosh and Windows platforms, enabling interactive reading experiences with minimal disruptions. The game, using the proprietary Blade engine, receives partial but robust support rated as good, allowing full playthroughs despite minor non-impactful issues in script handling. Tony Tough and the Night of Roasted Figs, powered by the Toon engine, enjoys excellent , fully recreating its cartoonish point-and-click puzzles and animations. These implementations typically exceed 90% , with any unresolved script bugs limited to edge cases not affecting core progression.

Experimental and In-Development Support

ScummVM provides experimental support for several engines that are not yet fully stable, allowing users to test partial implementations of classic games while developers refine compatibility. The Wintermute engine, added in 2012, supports many 2D and 2.5D graphical adventures with 3D rendering added in 2020; titles like J.U.L.I.A. Untold remain bugged and incomplete, with ongoing work on scripts and methods as of October 2025. Similarly, the Hugo engine supports text adventures like Hugo's House of Horrors trilogy across DOS and Windows versions, though it lacks full integration for certain font files and priority glitches remain unresolved. In-development efforts focus on expanding coverage for more complex titles, including SCI32 enhancements for games like , where script execution via external DLLs poses unique challenges not present in traditional SCI engines. The Adventure Game Studio (AGS) engine receives continuous enhancements for version 3.x compatibility, incorporating upstream updates to version 3.6.1.30 as of December 2024 to enable recent titles such as Stranger in Utopia and improved sound clip handling. Additionally, the Freescape engine added support for the Total Eclipse series in 2024, initially through public beta testing for real-time 3D polygon rendering in games like Total Eclipse and Total Eclipse II: The Sphinx Jinx. Other in-progress engines include the Access engine for and the ALG engine for American Laser Games titles such as Crime Patrol, , Mars, Who Shot Johnny Rock?, and Amazon: Guardians of Eden, which are actively developed within ScummVM's main codebase but remain incomplete for full gameplay. Community-driven projects, particularly through (GSoC) from 2022 to 2025, have advanced niche engines like Glk sub-engines for text adventures and keymapper improvements across multiple implementations. In 2025, GSoC projects advanced support for engines like (e.g., workshop movies) and added keymapper to more engines. Testing occurs via dedicated beta branches available in ScummVM's daily builds, where users report issues through official forums and bug trackers to guide refinements. Progress is tracked in official news announcements and wiki pages, highlighting milestones like new game detections or feature integrations. Limitations in these experimental and in-development supports often include incomplete audio synchronization, graphical glitches in 3D elements, or missing script opcodes, requiring users to revert to stable releases for reliable playthroughs of fully supported titles.

Development

Community Contributions and Process

ScummVM's development is governed by a volunteer core team comprising more than 30 active developers who oversee the project's direction and code quality. Decisions on features, bug fixes, and engine integrations are made collaboratively through discussions on the scummvm-devel mailing list and GitHub issues, ensuring transparency and community input in the open-source process. Contributors participate via a standard GitHub workflow, forking the main repository, creating feature branches for changes such as new engine additions or bug fixes, and submitting pull requests for review by the core team. These pull requests undergo code review to maintain coding standards and compatibility, with merges handled by designated maintainers for specific engines or components. The project utilizes for bug tracking and issue management at bugs.scummvm.org, allowing detailed reporting and resolution workflows. Infrastructure includes automated daily builds for testing ongoing changes across platforms, accessible via the project's forums and downloads section. A comprehensive compatibility database tracks support levels, updated regularly to reflect testing outcomes from community reports. ScummVM engages the community through annual participation in since 2007, fostering new talent with mentored projects; for instance, the 2024 program included enhancements to Director engine support for broader game compatibility. User forums at forums.scummvm.org serve as a key channel for bug reports, feature requests, and troubleshooting, bridging end-users with developers. Under the GNU General Public License version 2 or later, ScummVM emphasizes clean-room reimplementations of original game engines, ensuring no proprietary code is reverse-engineered and avoiding conflicts while enabling preservation of classic titles.

Recent Releases and Future Directions

ScummVM's has accelerated since , with annual major releases introducing for additional engines and games while enhancing compatibility across platforms. The 2.6.0 release on August 1, , integrated full for the Adventure Game Studio (AGS) engine, enabling playback of numerous titles originally developed with AGS, including improvements to script handling and rendering for better fidelity on modern hardware. Subsequent updates built on this foundation; version 2.7.0, released February 26, 2023, completed key aspects of the engine, adding for games like series and implementing achievement tracking subsystems. In December 2023, ScummVM 2.8.0 introduced 3D rendering optimizations, including hardware-accelerated graphics for ResidualVM-merged titles, alongside new game additions such as and the series. The pace continued into 2024 and 2025 with focused expansions. ScummVM 2.9.0, launched on December 22, 2024, added support for Orion Burger and the Total Eclipse series, enhancing engine compatibility for these 1990s titles. This release also updated the AGS engine for broader game detection and included corrections as a default option. The follow-up, version 2.9.1 on May 25, 2025, addressed bug fixes across , AGS, , and engines, while introducing Android backup features and enabling optimizations for ARM-based devices. By October 2025, daily builds incorporated 2: Martian Memorandum, marking progress in the engine with playable testing support. Beyond core releases, several features have advanced engine capabilities from 2021 through 2025. The Director engine, initiated in 2016, saw iterative improvements, including expanded compatibility for 1990s Director-based adventures via projects, culminating in broader script and multimedia handling by 2025. Experimental efforts in script decompilation tools continue, aiding reverse-engineering for legacy engines. The 2025 Google Summer of Code featured five participants, continuing enhancements to engines like . Daily builds in late 2025 added support for titles such as Hodj 'n' Podj. Looking ahead, ScummVM prioritizes additional 3D and multimedia engines from the era, leveraging the merger with ResidualVM for unified support. The project continues to focus on optimizations such as touch control refinements and low-power rendering for 1990s titles. Development faces challenges in sustaining legacy compatibility amid evolving hardware, including shifts to architectures and stricter platform policies, which require continuous port updates. Funding relies heavily on community donations through and affiliate sales, supporting web hosting and legal expenses without corporate backing. These efforts ensure ScummVM remains a vital tool for preserving .

References

  1. [1]
    ScummVM :: Home
    ScummVM is a program which allows you to run certain classic graphical adventure and role-playing games, provided you already have their data files.
  2. [2]
    How ScummVM is keeping adventure games alive, one old game at ...
    Dec 22, 2017 · One of the biggest and oldest is ScummVM, launched in 2001 and named for the classic SCUMM engine—Script Creation Utility For Maniac Mansion— ...
  3. [3]
    SCUMM - ScummVM :: Wiki
    Mar 24, 2022 · History. SCUMM was initially created in 1987 by Aric Wilmunder and Ron Gilbert for the game Maniac Mansion and was used later, with some ...Beginning · 3History
  4. [4]
    SCUMM Reference Guide :: Introduction - ScummVM
    SCUMM, the Script Creation Utility for Maniac Mansion, is an engine for creating graphics adventure games.Missing: overview | Show results with:overview
  5. [5]
    Handling game files - ScummVM!
    For games downloaded from digital distributors or from various freeware sources run the installer to extract the data files, or if the data files are supplied ...
  6. [6]
    SCUMM Reference Guide :: SCRP Scripts - ScummVM
    Both virtual machines are simple byte-code machines with built-in cooperative threading; up to 25 threads can be run simultaneously.
  7. [7]
    Graphics — ScummVM Documentation documentation
    Aspect ratio correction. If ticked, corrects the aspect ratio so that games appear the same as they would on original 320x200 resolution displays.
  8. [8]
    AGI - ScummVM :: Wiki
    Jan 6, 2022 · The AGI engine in ScummVM is based on the code of the Sarien project, used with permission.
  9. [9]
    SCI - ScummVM :: Wiki
    Jan 17, 2025 · A p-machine style virtual machine for executing platform-independent, object-oriented code. SCI was designed for 16-bit little-endian computers.
  10. [10]
    Game — ScummVM Documentation documentation
    Uses TTS to read descriptions, if TTS is available. tts_enabled_objects. Enable Test to Speech for Subtitles. Uses TTS to read subtitles, if TTS is available.<|control11|><|separator|>
  11. [11]
    Understanding the interface - ScummVM!
    The main ScummVM window is called the Launcher. The Launcher opens whenever you start ScummVM, unless you launch a game directly from the command line.The Launcher · The Games List · The Global Main MenuMissing: features detection management
  12. [12]
    Saving and loading a game - ScummVM!
    To load a saved game while you're playing a game, press Ctrl + F5 ( Ctrl + fn + F5 on a Mac) to access the Global Main Menu, then select Load.
  13. [13]
    GUI — ScummVM Documentation documentation
    The GUI tab allows you to change the look and feel of the ScummVM interface, including theme, scale, renderer, and language. You can also update game icons.
  14. [14]
    Understanding the graphics settings - ScummVM!
    The graphics mode scaler, aspect ratio, and stretch mode settings work together to change the resolution and display of each game.
  15. [15]
    Accessibility — ScummVM Documentation documentation
    From the Launcher, select Global Options, if necessary click the > scroll arrow until the Accessibility tab is visible, and then select the Accessibility tab. .Missing: i18n skipping dialogues
  16. [16]
    Audio — ScummVM Documentation documentation
    ### Audio Settings Summary in ScummVM
  17. [17]
    Debugging ScummVM
    Sep 20, 2022 · ScummVM engines should implement an interactive debug console. This is especially useful on embedded ports which usually lack the stdout console used currently ...Beginning · 1Debug Output · 3Platform Specific DebuggingMissing: cheat | Show results with:cheat
  18. [18]
    SCUMM/Debug Codes - ScummVM :: Wiki
    Nov 16, 2022 · Various LucasArts games have debug passwords and key combinations built into the original executable. THESE DO NOT WORK IN SCUMMVM, only in the original dos ...
  19. [19]
    https://wiki.scummvm.org/index.php/SCUMM/Debug_Codes
  20. [20]
    Install ScummVM on Linux | Snap Store - Snapcraft
    May 25, 2025 · ScummVM is a program which allows you to run a wide variety of classic graphical point-and-click adventure games and role-playing games.
  21. [21]
    Compiling ScummVM
    May 20, 2025 · ScummVM compilation varies by platform. Instructions are provided for official platforms, and Docker images are also an option. Contact if you ...
  22. [22]
    Android — ScummVM Documentation documentation
    ### Summary of ScummVM Android Port
  23. [23]
    ScummVM - App Store - Apple
    Rating 4.8 (92) · Free · iOSScummVM provides a way to play many classic graphical point-and-click adventure games and RPGs. The application is bundled with two playable demos.
  24. [24]
    iOS — ScummVM Documentation documentation
    ### Summary of ScummVM iOS Port
  25. [25]
    Template:SwitchControls - ScummVM :: Wiki
    Jun 16, 2019 · Game Controller Mapping: Button, Action. Left stick, Mouse. R + Left stick, Slow Mouse. B, Left mouse button. A, Right mouse button.
  26. [26]
    Platforms - ScummVM :: Wiki
    Feb 26, 2023 · Current officially supported platforms ; wii.png Nintendo Wii, wii, Yes ; android.png Android, android, Yes ; ps3.png PlayStation 3, sdl, Yes ; beos ...Beginning · 2Current officially supported... · 3Outdated officially supported...
  27. [27]
    ScummVM for Nintendo DS - Prerelease | GBAtemp.net
    Aug 31, 2021 · This new version should now work out of the box with TWiLight Menu++, has full button remapping, supports games with 16-bit colour, and provides a single build.<|control11|><|separator|>
  28. [28]
    AmigaOS 4 — ScummVM Documentation documentation
    ScummVM is available for download from the ScummVM Downloads page or the OS4 Depot. Download and extract the .lha file.Missing: port | Show results with:port
  29. [29]
    RISC OS - ScummVM :: Wiki
    Jul 24, 2022 · Older RISC OS port - Latest build is v1.3.1. Previous builds of v.1.0.0 and v0.8.0 are also available. Older RISC OS port - Latest build is ...Missing: AmigaOS | Show results with:AmigaOS
  30. [30]
    chkuendig/scummvm-demo: 🕹️ ScummVM Web Demo (unofficial)
    Demo page built with the new Emscripten backend for ScummVM. This is an unofficial demo until the backend is stable and feature-complete to be deployed in an ...Missing: port | Show results with:port
  31. [31]
    HOWTO-Backends - ScummVM :: Wiki
    Apr 19, 2022 · Introduction. This page is meant as a mini-HOWTO which roughly outlines the steps needed to add a new backend (port) to ScummVM.<|control11|><|separator|>
  32. [32]
    Maniac Tentacle Mindbenders: How ScummVM's unpaid coders ...
    Jan 16, 2012 · Early days. ScummVM owes its birth to the drive of computer science student Ludvig Strigeus, who wanted to write his own adventure game engine.
  33. [33]
    Latest Developments :: Twenty years ago today... - ScummVM
    Oct 9, 2021 · Twenty years ago today, on Tue Oct 9 16:30:12 2001, Ludvig Strigeus pushed the initial revision of the ScummVM code, which was version 0.0.1 ...Missing: founding history<|control11|><|separator|>
  34. [34]
    Happy 20th Birthday, ScummVM! - Kotaku
    Originally released in October 2001 by Ludvig Strigeus (with help from Vincent Hamm), the early plan was just to get Monkey Island 2 running in an emulator.
  35. [35]
    A merger - ScummVM :: Forums
    Oct 9, 2020 · First of all, we hit a milestone with 19 years of ScummVM. Our first-ever public release, ScummVM version 0.0.1, happened on October 8th, 2001.
  36. [36]
    AGOS - ScummVM :: Wiki
    Dec 16, 2022 · The AGOS Engine (Adventure Graphic Operating System) was originally created by Alan Cox at Horror Soft and is based on AberMUD V, with graphical extensions.Missing: 2005-2010 Kyra
  37. [37]
    Kyra - ScummVM :: Wiki
    Dec 1, 2012 · The file kyra.dat is required in order to run the games. This is included with each ScummVM release. It can be found seperately in the ScummVM sources.Missing: expansion 2005-2010 AGOS Gob
  38. [38]
    Latest Developments :: The big Zero Six Zero - ScummVM
    Mar 16, 2004 · 0 brings with it a new milestone in ScummVM history, with all LucasArts/LucasFilm SCUMM adventure titles now being supported. ... Support for ...
  39. [39]
    ScummVM 0.8.1 "Codename: missing" released
    Jan 31, 2006 · Much improved support for Humongous Entertainment games; Support the German version of Maniac Mansion NES (thanks to Joachim Eberhard for ...
  40. [40]
    ScummVM Merges With FreeSCI - AGDInteractive - AGD Interactive
    Feb 18, 2009 · At present it only has support for SCI0 games (like KQ4, SQ3, Codename Iceman, Conquests of Camelot, and PQ2) and limited support for SCI01 ( ...Missing: alumni | Show results with:alumni
  41. [41]
    Summer of Code - ScummVM :: Wiki
    Feb 9, 2025 · We were accepted every year since 2007, except 2015, when we failed to convince Google. Thus, Summer of Code 2025 is our 17th year of ...Missing: 2006 | Show results with:2006
  42. [42]
    Translation tool and HOWTO? - ScummVM :: Forums
    Jun 27, 2007 · What do I need? A hex editor or smth? usually these translation teams have their own websites, you could try asking them, since these forums ...Missing: internationalization | Show results with:internationalization
  43. [43]
    Latest Developments :: ScummVM 1.0.0 "Shiny Logo" is finally out
    Nov 15, 2009 · Latest Developments Nov 15, 2009: ScummVM 1.0.0 "Shiny Logo" is finally out. Posted by sev. It was just 3.5 months ago when we started to ...Missing: annual 1. x
  44. [44]
    Latest Developments :: ScummVM 1.7.0 "The Neverrelease" is out!
    Jul 21, 2014 · A year has passed and ScummVM 1.7.0 is here. With this release we have added support for 5 completely new games. These are: The Neverhood ...
  45. [45]
    Latest Developments :: GPL conflict with Atari - ScummVM
    Jun 16, 2009 · The dispute was ultimately settled in May 2009 by Mistic Software Inc. paying all legal fees and making a donation to the Free Software ...Missing: adoption date
  46. [46]
    GPL, ScummVM and violations
    Jun 23, 2009 · I am sure you saw the news post item about certain GPL violation. Let me present here some more details about the case.Missing: adoption | Show results with:adoption
  47. [47]
    Mistic Software and the lawsuit - ScummVM :: Forums
    Jun 16, 2009 · I thought ScummVM is free even commercially. In other words, didn't ScummVM sue them just so they'll present a GPL license in the games' folders ...
  48. [48]
    Illegal Distrubution of ScummVM
    Jan 11, 2009 · All around this channel is one huge copyright violation. The issue here is that they are including and distributing software to use with their ...
  49. [49]
    ScummVM :: Latest Developments :: ResidualVM Reaches 0.1.0
    - **History**: ResidualVM is a project aimed at running Grim Fandango, a LucasArts game, on modern hardware. It began over 9 years prior to December 22, 2012.
  50. [50]
    Latest Developments :: A merger - ScummVM
    Oct 9, 2020 · For a long time ScummVM limited itself to 2D point-and-click adventure games, and so ResidualVM was born as a sister project to support 3D games ...Missing: founding history
  51. [51]
    ScummVM :: Home
    ### Summary of SCUMM Engine and Related Information
  52. [52]
    Compatibility - DEV - ScummVM
    This page lists the progress of ScummVM as it relates to individual game compatibility. Please note this list applies to the English versions of games.
  53. [53]
    They Just Couldn't Make It Easy: A guide to official SCUMM releases
    Apr 2, 2022 · All the LucasArts SCUMM games are available to purchase legally on digital storefronts like Steam and GOG.com, the situation is a bit of a mess in terms of the ...
  54. [54]
    SCUMM/Game Enhancements - ScummVM :: Wiki
    ScummVM enhances SCUMM games by fixing bugs, improving audio/visuals, restoring content, and making modern UI/UX adjustments.
  55. [55]
    ScummVM :: Compatibility - DEV
    ### Compatibility Status for Key Sierra AGI and SCI Games with Full Support in ScummVM (Development Version)
  56. [56]
    SCUMM/Game Enhancements - ScummVM :: Wiki
    ### Summary of Enhancements for Humongous Entertainment Games or Children's Titles
  57. [57]
    https://wiki.scummvm.org/index.php/SCUMM/Game_Enhancements
  58. [58]
    Release notes — ScummVM Documentation documentation
    (All SCI tools since SCI Decoder in 1992). SCUMM: Restored the ScummVM 2.7.0 behavior of allowing all the DOS v2-v4 (i.e. Maniac Mansion to Monkey1) ...
  59. [59]
    Custom Query – ScummVM :: Bugs
    GOB: Goblins Quest 3 - Ooya can walk in the air ... Engine: SCUMM ... bluegr, defect, normal, Audio: MT32. #12874 · INCA 1 Compatibility, bluegr, defect, normal ...
  60. [60]
    Jun 17, 2025: All aboard! The Last Express is ready for testing!
    Jun 17, 2025 · Please note that the Gold Edition available from Steam is NOT supported - only the original version is compatible at this time.
  61. [61]
    Latest Developments :: ScummVM 2.9.1 “Slappin da BASS” is here!
    May 25, 2025 · And the Beneath a Steel Sky game is not crashing in the intro anymore! The Atari port received some internal backend, GUI, and audio fixes ...
  62. [62]
    Compatibility - 2.0.0 :: Dr. Seuss's ABC - ScummVM
    Games can be played all the way through. Supported Platforms. Macintosh; Windows. Links. MobyGames · Wikipedia. Available At. The ScummVM project does not ...
  63. [63]
    https://www.scummvm.org/compatibility/2.0.0/mohawk:seussabc/
  64. [64]
    Wintermute - ScummVM :: Wiki
    Date added to ScummVM, 2012-09-04. First release containing it, 1.7.0. The Wintermute Engine (Copyright (c) 2011 Jan Nedoma) is a set of software tools and ...
  65. [65]
    Hugo - ScummVM :: Wiki
    May 29, 2011 · The Hugo engine was used by Gray Design Associates to create three games between 1990 and 1992. A windows version of the games has been ...
  66. [66]
    Hugo/TODO - ScummVM :: Wiki
    Feb 21, 2016 · Status. All games (DOS and Win) are completable. TODOs. Add support for .FON (win1) font files used in DOS versions (win2 font files are ...
  67. [67]
    11111 (Unknown game variant for Shivers 2) - ScummVM :: Bugs
    Do note that Shivers 2 is *not* a traditional SCI game, and is currently not supported. The game scripts have been compiled into external DLLs and the game ...Missing: SCI32 | Show results with:SCI32
  68. [68]
    News... - ScummVM :: Latest Developments
    ScummVM is a program which allows you to run certain classic graphical adventure and role-playing games, provided you already have their data files.
  69. [69]
    When facing the Curse of the Sun God, sunscreen won't save you
    Apr 7, 2024 · Total Eclipse, a real-time, curse-breaking, 3D adventure (with a dash of Indiana Jones flair), is ready for public testing!
  70. [70]
    Engines - ScummVM :: Wiki
    Oct 21, 2025 · ScummVM currently supports, or is in the process of adding support for, the following engines (sorted alphabetically)Missing: reimplementation | Show results with:reimplementation
  71. [71]
    Summer of Code/GSoC Ideas 2025 - ScummVM :: Wiki
    Mar 10, 2025 · The current status per engine can be found on the Keymapper_and_TTS_status page. For each engine, the task varies from straightforward to a ...
  72. [72]
    Summer of Code/GSoC2022 - ScummVM :: Wiki
    Jun 8, 2023 · This page lists students and projects for the Summer of Code 2022. See also Google's ScummVM organization info page.
  73. [73]
    Wintermute/TODO - ScummVM :: Wiki
    Oct 4, 2025 · Status. See Wintermute Games for a list of the current state of the various games. Main ToDo items. Main missing Features.
  74. [74]
    Developer Central - ScummVM :: Wiki
    Dec 29, 2024 · The purpose of this page is to give a link to all kinds of resources that contain information valuable to current and future developers of ScummVM.Getting Started · First Steps · For Engine Authors<|control11|><|separator|>
  75. [75]
    About Trac - ScummVM :: Bugs
    Trac is a web-based software project management and bug/issue tracking system emphasizing ease of use and low ceremony. It provides an integrated Wiki, an ...Missing: Savannah | Show results with:Savannah
  76. [76]
    ScummVM daily builds
    Nov 15, 2011 · As of scummvm_1.5.0~git0759.g5a868a4_armel.deb the following has changed: All engines are enabled even unfinished/unsupported ones.<|separator|>
  77. [77]
    Google Summer of Code 2024 - drum roll please! - ScummVM
    May 5, 2024 · Krish will be undertaking a range of targeted enhancements to Macromedia Director support in ScummVM to extend compatibility and support.Missing: GSoC 2006
  78. [78]
    https://www.scummvm.org/news/20240505/
  79. [79]
    ScummVM 2.9.0 "Close Encounters of the 2.9th Kind" has landed
    Dec 22, 2024 · ScummVM 2.9.0 adds 15 new games, a Sailfish OS port, AGS engine update, keymapper support, macOS/Android/iOS enhancements, and Apple Pencil ...Missing: 9.0 | Show results with:9.0
  80. [80]
    We've got a new case and you won't believe who it involves!
    Oct 5, 2025 · We are happy to announce that Tex Murphy 2: Martian Memorandum is now ready for testing in ScummVM. Martian Memorandum is the second game in ...Missing: 9.1 | Show results with:9.1
  81. [81]
    Expanding Director Engine compatibility in ScummVM
    Aug 31, 2025 · Director engine, as mentioned, is under development since the last 9 years. A lot of the development is already complete. Hence, it was ...Goals For The Project · What I Did · The Current StatusMissing: experimental | Show results with:experimental
  82. [82]
    ScummVM ported to HTML5 - play old games in your browser
    Jun 11, 2013 · From the little I could see through the Google cache, the port is based on Emscripten. The site provides the demo versions of a few SCUMM games.Missing: WASM | Show results with:WASM
  83. [83]
    OpenTasks/Tools/Game script decompiler - ScummVM :: Wiki
    Dec 16, 2014 · For various reasons (in particular, debugging), it's very useful to be able to take such a script and decompile it into something resembling ...Missing: AI- | Show results with:AI-
  84. [84]
    ScummVM :: Home
    ### Summary of ScummVM News (2025)
  85. [85]
    Look Behind You, a Three-Headed Monkey NFT! - ScummVM
    Apr 1, 2022 · However, you can help ScummVM with web hosting expenses by donating through PayPal or buying games on GOG.com through our affiliate link.