SpaceChem

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Zachtronics Industries is back with 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. Construct elaborate factories to transform raw materials into valuable chemical products! Streamline your designs to meet production quotas and survive encounters with the sinister threats that plague SpaceChem.

KEY FEATURES:

  • Over Fifty Mind-bending Puzzles!
  • An original soundtrack by Evan Le Ny, whose music was featured in The Codex of Alchemical Engineering!
  • Twenty challenging achievements!

IMPORTANT INFO FOR MAC USERS:

As of macOS 10.11, SpaceChem is no longer officially supported on Mac, as changes to the OS have broken the game. However, there is a player-created package that tends to fix this issue for most players, available here: https://github.com/leafi/fix-spacechem-os-x

Today's update is all bug fixes, brought over from the game's unofficial "community edition": Fixed a Windows-only display bug when using a high-DPI monitor. Fixed an exploit where you could disconnect a pipe from its reactor. Fixed a crash when loading invalid ResearchNet puzzles with negative counts. Fixed a crash when displaying text with an ellipsis but not enough space to fit it. Fixed a bug in undo/redo with cloned reactors. Fixed a crash when pressing Ctrl-Z while dragging a pipe. Fixed a...

2020-02-28

It is so likeZach to release a Zachlike (just a Zach to his friends) about creating drugs in a small Romanian apartment. Molek-Syntez is now squatting on early access, trying to hook you in with the good stuff as you program your molecular synthesiser. Your goal is to turn chemicals into medicines and other substances with “various pharmacological effects”. (more…)

2019-11-05

Zach-like, the book about Zachlikes by Zach Barth, creator of the genre, is now free albeit notably less papery now. Zachtronics’s previously Kickstarter-exclusive book was a collection of design documents from the creator of Spacechem, Opus Magnum, Infinifactory and many more, showing just how he engineers his puzzles. Now anyone can read a digital version for free, and it comes bundled with a pile of his early browser games, unreleased prototypes, and even a card game if you’ve got...

2019-06-18

Today's update includes the following: Fixed a crash when starting a pipeline with too many reactors. Removed impossible scores from the histograms for the "Swapite" journal puzzle. Bumped the version number from 1013 to 1014. When things settle down with these changes I'll upload a build to non-Steam stores as well.

2019-05-17

Today's update includes the following changes: Fixed a bug in production inputs with variations of the same molecule. Fixed a bug with reactors being slightly too roomy at the right and bottom. Fixed a bug with the Reset option and "ancient" reactors. Fixed a bug that would spawn an empty level completion screen.

2019-02-28

PC SYSTEM REQUIREMENTS

MINIMUM SPECS:

  • OS: Windows XP SP3 / Vista / 7 / 8 / 10
  • Processor: 2.0 GHz Processor
  • Memory: 1GB RAM
  • Hard Disk Space: 300MB
  • Video Card: frame buffer support recommended

MAC SYSTEM REQUIREMENTS

MINIMUM SPECS:

  • OS: OS X 10.7 or later
  • Processor: 2.0 GHz Processor
  • Memory: 1GB RAM
  • Graphics: frame buffer support recommended
  • Hard Drive: 300MB
  • Additional: Mono 2.6 or later

LINUX SYSTEM REQUIREMENTS

MINIMUM SPECS:

  • OS: Ubuntu 12.04 LTS, fully updated
  • Processor: 2.0 GHz Processor
  • Memory: 1 GB RAM
  • Graphics: frame buffer support recommended
  • Hard Drive: 300 MB
  • Other: Mono 2.6 or later
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