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SpaceChem

SpaceChem is a design-based puzzle video game developed and published by Zachtronics, released in January 2011 for Microsoft Windows, macOS, and Linux.^[1] In the game, players take on the role of a Reactor Engineer working for the fictional SpaceChem corporation, the leading chemical synthesizer for interstellar frontier colonies, where they must construct elaborate assembly lines using pairs of programmable robotic manipulators—known as "waldos"—to transform raw atomic elements into specified target molecules while meeting production quotas and efficiency targets.^[2] The gameplay revolves around solving over 50 increasingly complex puzzles divided across multiple planets and research stations, each requiring creative engineering solutions that mimic chemical synthesis and assembly line optimization in a science fiction context.^[2] Key features include an open-ended factory-building mechanic that encourages experimentation, an original soundtrack composed by Evan Le Ny, and 20 Steam achievements that reward innovative designs.^[2] SpaceChem supports cross-platform play and has modest system requirements, such as a 2.0 GHz processor and 1 GB of RAM, making it accessible on a wide range of hardware.^[2] Upon release, SpaceChem received critical acclaim for its intellectually stimulating puzzles and unique blend of programming logic with chemical engineering concepts, earning an aggregate score of 84 out of 100 on Metacritic based on 13 critic reviews.^[1] It holds an "Overwhelmingly Positive" user rating on Steam, with 89% of over 5,000 reviews recommending it, praised for its depth and replayability that fosters a dedicated community of puzzle enthusiasts.^[3] As an early title from Zachtronics, SpaceChem established the studio's signature style of automation and engineering-focused indie games, influencing subsequent releases in the genre.^[4]

Setting and Story

Narrative Overview

SpaceChem is set in a dystopian future in the year 2745, where humanity has expanded to colonize distant planets amid severe resource shortages that threaten colonial survival.^[5] To address these shortages, the corporation SpaceChem was formed in 2745 by George Vossler as a subsidiary of Vossler Industries—initially focused on fish-based food products—evolving into a dominant interstellar chemical engineering firm with over 200,000 employees across more than 3,000 locations, specializing in the atomic and molecular rearrangement of local planetary materials to produce essential chemicals.^[5] This expansionist agenda drives SpaceChem's operations on remote worlds, often prioritizing profit over safety, as evidenced by catastrophic incidents like the accidental expulsion of half a station's crew into space.^[6] Players assume the role of a low-level contractor and trainee reactor engineer, operating as a "waldo operator" remotely assigned to isolated planetary facilities.^[7] From this position, the protagonist repairs and optimizes malfunctioning chemical reactors, which rearrange atoms from local sources into vital molecules to support human colonies.^[8] As the narrative progresses through in-game memos and emails, the engineer advances from basic training on planets like Sernimir II to managing crises across sites such as Alkonost and Hephaestus, uncovering the corporation's ruthless priorities.^[5] Complicating these efforts are alien monsters, antagonistic creatures that infiltrate and sabotage SpaceChem facilities, disrupting reactor operations and posing existential threats tied to the company's aggressive planetary exploitation.^[9] These creatures emerge as a direct consequence of SpaceChem's unchecked expansion into alien territories, forcing engineers to adapt reactors for defensive purposes amid escalating corporate cover-ups.^[5] The narrative explores themes of corporate exploitation, where SpaceChem disregards worker lives and environmental consequences in pursuit of universal chemical dominance.^[8] It critiques pseudoscience alchemy through the company's portrayal of atomic manipulation as a miraculous, effortless solution to scarcity, while highlighting the dehumanizing effects of automation, as remote operators like the player become expendable cogs in a vast, impersonal machine.^[7]

Key Characters and Themes

The player assumes the role of an anonymous Reactor Engineer, a contractor for the interstellar corporation SpaceChem, who receives operational directives and updates through a series of transmissions from company executives.^[2] These communications frame the engineer's assignments, emphasizing the corporation's relentless pursuit of chemical synthesis for colonial expansion.^[5] Central to the narrative is Bruce Novak, the ambitious CEO of SpaceChem, who drives the company's aggressive agenda, including unethical experiments that blur the line between scientific advancement and exploitation.^[5] Novak's directives often carry a tone of casual authority, reflecting his personal investment in the engineer's success amid escalating crises, and his character arc reveals the human cost of corporate ambition.^[10] Supporting this are minor characters such as facility managers and researchers—figures like Joel, Tim, and Marianne—who appear in transmissions to provide contextual lore, operational briefings, and glimpses into the daily perils of frontier stations.^[5] These individuals often convey urgency or fatalism, their fates underscoring the precariousness of life under SpaceChem's oversight. The story explores themes of blind obedience to corporate imperatives, where the engineer's role exemplifies unquestioning adherence to directives despite evident dangers and moral ambiguities.^[5] This is intertwined with the fusion of chemistry and alchemy, serving as a metaphor for pseudoscience, as SpaceChem's reactors enable seemingly impossible molecular transformations that veer into mystical territory.^[4] Hints of rebellion emerge against the invasion by the monsters—eldritch alien entities that disrupt operations—prompting subtle questions about loyalty to a flawed hierarchy.^[5] Across the game's campaigns, the plot evolves from routine production tasks to revelations about SpaceChem's origins, culminating in conflict with ancient cosmic entities provoked by the corporation's expansionist policies.^[5] This progression, delivered through interstitial transmissions and story panels between puzzles, builds a narrative of corporate hubris leading to interstellar conflict.^[2]

Gameplay Mechanics

Reactor Assembly and Programming

In SpaceChem, players assemble reactors on a grid-based layout where atoms enter through input ports and are manipulated to form target molecules for output. The core manipulation is handled by two robotic arms known as waldos—one red and one blue—which operate simultaneously on the grid to grab, transport, and assemble atoms into stable compounds.^[11]^[12] These waldos follow programmed paths defined by directional arrows placed on the grid, allowing players to route atoms precisely while avoiding collisions between the arms or with existing molecules.^[12] Programming occurs through a visual scripting language that sequences commands for each waldo along their paths, executed in discrete cycles to simulate chemical reactions. Key commands include Grab to pick up free atoms, Move (via arrows) to transport them across the grid, Rotate to reorient molecules for bonding, and Release (or Drop) to deposit atoms or partial molecules onto storage pads or bonding sites. Additional instructions like Sync ensure coordination between the red and blue waldos by pausing one until the other reaches a matching point, while Bond creates connections between compatible atoms and Fuse merges them into higher elements in advanced reactors. This scripting emphasizes concepts such as loops for repetitive tasks, branching for conditional paths, and subroutines for modular efficiency, mirroring parallel programming paradigms.^[12] Reactors incorporate essential components to manage material flow and optimization. Input ports receive raw atoms from upstream sources, while output ports dispatch completed molecules to storage units or subsequent reactors in a production line. Storage units, including temporary pads and reservoirs, hold intermediate molecules to prevent grid clutter and enable complex assemblies. Efficiency in designs is measured by cycle count, symbol count, and space usage for scoring purposes, contributing to achievements and community comparisons.^[11]^[12] Atomic bonding follows a simplified model of chemistry, prioritizing valence rules where each atom type has a maximum number of bonds (e.g., hydrogen forms one bond, carbon four). Bonds form only between adjacent atoms on designated bonding pads when a Bond command is executed, creating stable molecules such as H₂O (water, with oxygen's two bonds to hydrogens) or CO₂ (carbon dioxide, with carbon's double bonds to oxygens). Invalid bonds, exceeding valence limits, are rejected to enforce chemical realism, though the system abstracts electron orbitals for gameplay focus.^[12]

Puzzle Progression and Objectives

The puzzle campaign in SpaceChem consists of 53 assignments divided across multiple planetary facilities, with each facility containing approximately 5 to 7 puzzles that escalate in complexity and scope from basic synthesis to elaborate multi-reactor pipelines. The structure begins with tutorial-focused facilities introducing core concepts, then advances through increasingly demanding locations that integrate new mechanical layers while tying into the overarching narrative of chemical production for space colonization. This progression ensures a steady learning curve, where early puzzles emphasize simple molecule assembly and later ones demand sophisticated synchronization across larger systems.^[12]^[13] In each puzzle, players must program reactors using Waldo instructions to convert input atoms into specified target molecules at designated production rates, quantified as cycles per molecule to ensure timely output quotas are met. Beyond mere completion, objectives emphasize efficiency by minimizing total cycles elapsed, symbols in the instruction sequences, and the physical footprint of reactor grids to optimize resource use within SpaceChem's interstellar operations. Representative examples include transforming hydrogen and oxygen streams into water peroxide (H₂O₂) under tight cycle constraints or scaling production for complex hydrocarbons across dual reactors.^[13]^[12] Later puzzles incorporate advanced elements, such as multi-symbol production for intricate polyatomic molecules requiring precise bonding sequences, flexible inputs that vary in composition or timing to test adaptability, and boss puzzles framed as defense assignments where reactors must generate defensive compounds to counter Goons incursions. These culminating challenges per facility blend production goals with survival elements, often involving atmospheric pumps to source elements dynamically while fending off eldritch threats through targeted chemical weaponry.^[12]^[13] Performance metrics—cycles, symbols, and reactors—determine relative success, with in-game histograms visualizing how a solution compares to global player data to incentivize replays for refined optimizations. This feedback loop highlights scale and impact, such as reducing a 1,200-cycle solution to under 800 through symbol-efficient loops, without relying on tiered awards, thereby promoting conceptual mastery over exhaustive enumeration.^[13]

Development

Conception and Early Design

Zachtronics Industries was founded by Zach Barth in 2000, initially focusing on free browser-based games, with SpaceChem marking a pivotal shift toward commercial puzzle titles blending programming and scientific concepts.^[14] The conception of SpaceChem emerged shortly after the 2008 release of Barth's Flash game The Codex of Alchemical Engineering, which involved low-level atomic manipulation to form molecules.^[13] Inspired by this work and a visit to Seattle's Gas Works Park—a site featuring remnants of a derelict chemical processing plant—Barth envisioned expanding the molecular bonding mechanics into a more industrial framework.^[13] This led to the core idea of combining Codex-style atomic assembly with high-level pipeline construction, simulating conveyor-belt automation to process chemical reactions on a larger scale.^[13] Early prototyping began in Barth's spare time alongside a coworker at his day job, emphasizing visual programming interfaces to make complex chemistry accessible without requiring prior knowledge.^[13] Drawing from his background in computer science and engineering, Barth prioritized mechanics that mirrored real programming logic while organically introducing chemical principles like bonding rules through iterative puzzle-solving.^[15] The prototypes focused on open-ended reactor designs, where players used symbolic instructions to route and manipulate atoms, ensuring puzzles scaled in complexity from basic synthesis to multi-stage reactions.^[13] Initial testing involved playtesting individual levels to refine scalability, reordering them to build a steep difficulty curve that taught concepts progressively without explicit tutorials.^[13] Barth aimed for puzzles that evoked authentic engineering challenges, eliminating redundant designs and ensuring each introduced unique logical constraints, such as handling multiple bonds or cyclic molecules like benzene.^[13] This phase solidified the game's educational undertone, using gameplay to demystify chemistry and automation principles.^[13]

Production and Challenges

SpaceChem's production began in November 2009 and lasted approximately 16 months as primarily a solo endeavor led by designer Zach Barth, who handled the core programming, puzzle design, and implementation while maintaining a full-time day job; the team grew to seven members.^[13]^[16] To support the 2D visuals and audio, Barth collaborated with a small group of contributors, including artists and sound designers, marking a shift from his earlier fully independent projects like Infiniminer. This minimal team structure allowed for rapid iteration but limited resources, with development relying on custom C# .NET tools rather than established engines.^[17]^[18] A major challenge during production was balancing puzzle difficulty to prevent player frustration while maintaining engagement, as the game's design-based mechanics demanded creative problem-solving without hand-holding tutorials. Barth addressed this by initially sketching puzzles on paper, estimating their complexity, and then playtesting them with a small group of players in late 2010 to refine the progression curve and ensure accessibility.^[15] Implementing a stable simulation for atomic interactions proved technically demanding, requiring robust logic to handle emergent behaviors in reactor assembly without crashes or inconsistencies, which Barth iterated on through prototypes derived from core mechanics.^[13]^[19] To enhance replayability, Barth incorporated narrative elements through unlockable lore files that revealed a cosmic horror-themed backstory, tying puzzle progression to incremental story reveals without interrupting gameplay flow. This addition stemmed from Barth's belief that a compelling narrative was essential to contextualize the abstract chemical engineering challenges. Beta previews, akin to early access distributions via Steam in late 2010, gathered feedback that informed final accessibility tweaks, such as clearer objective presentations.^[15]^[20]

Release and Expansions

Launch and Platforms

SpaceChem was initially released on January 1, 2011, as a digital download for Microsoft Windows, Mac OS X, and Linux computers directly from the developer's website, priced at $20.^[13] Following the completion of its development after approximately one year, the game became available on Steam for Windows on March 2, 2011, with Mac and Linux support added shortly thereafter in 2011.^[2]^[13] Ports to mobile platforms followed, with an iOS version launching on October 1, 2011 (support discontinued in 2015), and an Android version in July 2012.^[21]^[22] The game's marketing relied heavily on indie showcases and word-of-mouth promotion within puzzle game communities, leveraging its unique design-based mechanics to build early buzz.^[13]

Downloadable Content and Updates

Following its initial release, SpaceChem received its primary downloadable content in the form of the "63 Corvi" expansion, launched on July 22, 2011.^[10] This DLC serves as a prequel storyline, centering on a young Bruce Novak and his team as they undertake a mission to collapse the star 63 Corvi into a collapsar gateway, providing deeper insight into the origins of SpaceChem's CEO.^[10] It introduces seven new puzzles, including three pipelines, that extend the base game's reactor assembly mechanics with a novel "quantum junction" feature, allowing for more complex atom routing and fusion processes.^[10] In addition to paid content, Zachtronics provided free post-launch support to enhance accessibility and longevity. A significant update on April 29, 2011, introduced ResearchNet, a mode featuring official advanced puzzles designed for optimization challenges, alongside tools like a level editor for community creations.^[13] These puzzles emphasize efficiency in cycles and symbols, building on core gameplay to encourage iterative refinement of reactor designs. Subsequent free patches through 2012 addressed bug fixes, implemented minor balance adjustments to puzzle constraints, and improved support for macOS and Linux.^[23] While no major content expansions have been released since 2013, a 2019 Community Edition update (v1013) added features, bug fixes, and improved compatibility. Ongoing maintenance ensures compatibility with modern operating systems. The Steam version, updated to a 64-bit architecture, incorporates community-driven enhancements via the official Community Edition branch, preserving functionality on Windows 10+, macOS, and Linux without requiring user intervention.^[2]^[23]

Reception and Impact

Critical Reviews

SpaceChem received generally favorable reviews upon release, earning an aggregate Metacritic score of 84 out of 100 based on 13 critic reviews.^[1] Critics frequently praised the game's addictive puzzle design and its educational value in introducing concepts from chemistry and programming through hands-on molecular assembly and automation.^[24] The core mechanic of programming reactors to manipulate atoms was highlighted for fostering logical thinking, pattern recognition, and perseverance, making it a standout title for players interested in STEM-related challenges.^[24] Reviewers lauded the innovative automation mechanics, which allow players to design efficient chemical production lines using waldos and circuits, creating a deep sense of invention and replayability.^[25] The satisfying optimization loop—iteratively refining solutions to meet production quotas with fewer cycles and symbols—provided a rewarding progression that kept players engaged for hours.^[26] Additionally, the narrative delivery, presented through concise vignettes between levels, added an engaging layer of corporate satire and ambience without overshadowing the puzzles.^[26] Despite these strengths, some critics noted a steep learning curve that could overwhelm beginners, with the game's complexity emerging rapidly after initial tutorials.^[26] The lack of comprehensive guidance beyond brief in-game prompts was cited as a barrier, potentially frustrating those without prior experience in puzzle or programming games.^[27] Later puzzles were occasionally described as repetitive in their escalation of difficulty, particularly the defensive "research" levels, which introduced time-sensitive elements that felt less elegant than the core synthesis challenges.^[26] Notable reviews included Eurogamer's 9/10 score, which commended the game's depth and creative freedom in reactor design, positioning it as a cerebral triumph for puzzle enthusiasts.^[25] PC Gamer awarded it 89 out of 100, praising its mental workout and innovative blend of chemistry with programming, though acknowledging its inaccessibility for casual players.^[26] Other outlets, such as Rock Paper Shotgun, echoed these sentiments by calling it potentially the best puzzle game due to its awe-inspiring mechanics, while emphasizing that it demands significant commitment.^[8]

Community and Legacy

The SpaceChem community has fostered an active modding scene since the game's early days, with players leveraging the in-game ResearchNet feature—introduced via a free update in May 2011—to create and share custom puzzles. This level editor enables users to design original assignments involving molecular synthesis, extending the core gameplay beyond the official campaign.^[28] In 2019, the Zachtronics-approved SpaceChem Community Edition was released as a Steam beta, enhancing mod support by allowing modifications to the game's executable for new features, bug fixes, and expanded content creation. This update built on earlier modding efforts, such as the open-source SpaceChemPatch tool, and has enabled the distribution of custom saves and levels through platforms like Nexus Mods. Community-driven tools further support engagement, including online mission viewers for editing puzzle parameters and solution-sharing repositories that catalog optimized reactor designs. Speedrunning communities have also emerged, with dedicated leaderboards tracking completion times for individual levels and full campaigns, emphasizing efficient programming and execution.^[29]^[30]^[31] SpaceChem pioneered the "design-based puzzle" genre, blending programming logic with chemical synthesis in a way that influenced Zachtronics' later titles, including Infinifactory in 2015 and Opus Magnum in 2017, both of which expanded on reactor assembly mechanics for industrial automation challenges. These games refined SpaceChem's open-ended problem-solving approach, establishing a signature style for the studio's portfolio.^[32]^[33] Beyond gaming, SpaceChem has left a cultural mark in education, where it is used to illustrate chemical bonding, molecular structures, and algorithmic thinking. Zachtronics provided a dedicated educator's guide outlining lesson plans that integrate the game's puzzles into chemistry and computer science curricula, and the company offered free licenses to schools in 2011 to promote its pedagogical value. The game's enduring availability on Steam, coupled with ongoing updates like the Community Edition, sustains its presence among players and educators alike. The community remains active as of 2025, with annual tournaments organized on Reddit and Discord, and continued mod releases on Nexus Mods.^[34]^[12]^[35]^[36]^[37]

References

[1]
SpaceChem Reviews - Metacritic
Rating 84% (13) Platforms: PC. Initial Release Date: Mar 2, 2011. Developer: Zachtronics ...<|control11|><|separator|>
[2]
SpaceChem on Steam
Mar 2, 2011 · An ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies.
[3]
SpaceChem - SteamDB
Rating 89% (5,018) Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform ...<|control11|><|separator|>
[4]
SpaceChem - Thinky Games
An open-ended engineering game about building factories to turn raw materials into chemicals. Windows Linux MacOS
[5]
SpaceChem - Zachtronics
SpaceChem's goal is to provide high quality chemical necessities to human colonies on a universal scale in an economical and effortless manner.
[6]
Story | SpaceChem Wiki - Fandom
The game is set in the distant future, where humans have colonized other planets. A major issue for the human race, is obtaining resources, ...Missing: summary - | Show results with:summary -
[7]
The Atmospheric Brilliance of SpaceChem - The Gemsbok
Oct 7, 2015 · In SpaceChem, the player assumes the role of a scientist hired to work on alchemical reactors on distant planets, where the company's facilities ...
[8]
Wot I Think: SpaceChem | Rock Paper Shotgun
Jan 10, 2011 · In SpaceChem you play a new employee of a profoundly sinister interstellar chemical company (called SpaceChem), with the story of your career being told ...<|control11|><|separator|>
[9]
SpaceChem (Video Game) - TV Tropes
In SpaceChem by Zachtronics, you are a reaction engineer in charge of running chemical processes through literally nanotechnological processes.
[10]
Programming Game Review: SpaceChem (2011) by Zachtronics ...
Aug 30, 2018 · According to the story, you work for a corporation called SpaceChem that exploits various planets for resources. A lot of people die, and for ...
[11]
SpaceChem: 63 Corvi on Steam
Jul 22, 2011 · Explore the past with SpaceChem's first DLC pack, “SpaceChem: 63 Corvi”. Follow a young Bruce Novak, the future CEO of SpaceChem, and his ...
[12]
SpaceChem - Zachtronics
Follow a young Bruce Novak, the future CEO of SpaceChem, and his team of engineers on a mission to collapse the star 63 Corvi into a collapsar gateway and ...
[13]
https://www.gamedeveloper.com/design/postmortem-zachtronics-industries-i-spacechem-i-
[14]
None
### Summary of Gameplay Mechanics from SpaceChem - A Guide for Educators
[15]
Postmortem: Zachtronics Industries' SpaceChem - Game Developer
Jun 12, 2012 · The developer of the cult indie puzzle hit SpaceChem explains what went into creating such a complex, nuanced game -- while still working a day job.
[16]
Zachtronics announces closure - GamesIndustry.biz
Jun 24, 2022 · Zachtronics was founded in 2000, and is behind several notable indie titles including 2011's SpaceChem, programming puzzle title TIS-100 and ...
[17]
My Chemical Romance: Zach Barth Interview | Rock Paper Shotgun
Jan 20, 2011 · Zach Barth: I went to school for (and graduated with a degree in) computer science and engineering, but ended up focused on game development.
[18]
Zach Barth - MobyGames
Credited on 14 games ; Infinifactory (2015, Windows), Design ; Beards & Beaks (2011, Windows Phone), Beards & Beaks ; SpaceChem (2011, Windows), Design.
[19]
Zach Barth Biography | Booking Info for Speaking Engagements
Zachary "Zach" Barth is an indie video game designer who creates games under the company Zachtronics, which he co-founded. Barth is known for Infiniminer, ...Missing: Industries | Show results with:Industries
[20]
Ahead of the Curve: The SpaceChem Postmortem - YouTube
Jun 29, 2018 · In this 2013 GDC session, Zachtronic Industries' Zach Barth explores the differences between SpaceChem and other puzzle games, ...
[21]
Welcome to the future! - Zachtronics Industries -
Oct 25, 2010 · I'm glad to see that you guys are excited about SpaceChem, because I know that I am! ... beta copy right now? Personally, I'd pay $50 if I ...
[22]
SpaceChem Mobile Reviews - Metacritic
Rating 85% (5) SpaceChem Mobile ; Released On: Oct 1, 2011 ; Metascore Generally Favorable Based on 5 Critic Reviews ; User Score Available after 4 ratings ; My Score. Drag or tap ...
[23]
SpaceChem - Wikipedia
In the game, the player is tasked to produce one or more specific chemical molecules via an assembly line by programming two remote manipulators (called "waldos ...
[24]
SpaceChem - PCGamingWiki PCGW - bugs, fixes, crashes, mods ...
Aug 31, 2025 · Release dates. Windows, January 1, 2011. macOS (OS X), January 1, 2011 ... Includes Android version. Icon overlay.png · Windows · macOS (OS X).
[25]
SpaceChem Game Review | Common Sense Media
Rating 4.0 · Review by Chad SapiehaNov 11, 2020 · Extremely challenging puzzler best suited for older kids. Read Common Sense Media's SpaceChem review, age rating, and parents guide.
[26]
SpaceChem review | Eurogamer.net
Rating 9/10 · Review by John TetiFeb 4, 2011 · You build tiny chemical reactors that scoop up atoms and rearrange them into new compounds to advance the interests of your industrial overlords.Missing: plot summary -
[27]
SpaceChem review - PC Gamer
Rating 89% · Review by Phill CameronFeb 17, 2011 · It's a puzzler about combining atoms to form these molecules, but the emphasis is on the combining, not the molecules.Missing: plot summary -
[28]
Better Living Through SpaceChem Updates | Rock Paper Shotgun
May 2, 2011 · Details after the jump. Here you go: * A brand spanking new Level Editor, letting all our fans design their own research assignments * The ...
[29]
Release repository of the SpaceChem Community Edition - GitHub
The authors would like to thank Zach Barth, the head of Zachtronics, for allowing access to the source of the game to make this Community Edition possible.
[30]
SpaceChem web tools - Coranac
An online mission viewer (where you can also make rudimentary edits to the mission code to insert special elements and break the bond limit).
[31]
SpaceChem - Speedrun.com
View SpaceChem speedruns, leaderboards, forums and more on Speedrun.com.Missing: community | Show results with:community
[32]
Zachtronics: 10 Years of Terrible Games | Zach Barth | Talks at Google
Mar 29, 2017 · Zach Barth designed and developed Infiniminer, Spacechem, TIS-100, Shenzen I/O and other video games in a genre that has become named after ...
[33]
Opus Magnum on Steam
Rating 5.0 (2,977) Opus Magnum is the latest open-ended puzzle game from Zachtronics, the creators of SpaceChem, Infinifactory, and SHENZHEN I/O. Design and build machines ...
[34]
Tech in the Classroom: SpaceChem | Education World
SpaceChem is a design-based puzzle game that lets kids build machines and fight monsters in the name of science.