| App ID | 92800 |
|---|---|
| App type | Game |
| Developer | Zachtronics |
| Publisher | Zachtronics |
| Homepage | http://www.zachtronics.com/spacechem |
| Release date | 2011-03-02 19:20 UTC |
| DLC list (appinfo) | 92803 |
| Store page | store.steampowered.com/app/92800 |
| Last store refresh | 1 hour ago |
| # | Executable | Arguments | OS | Description |
|---|---|---|---|---|
| 0 | SpaceChem.exe | windows | ||
| 1 | SpaceChem.app | macos | ||
| 2 | ./SpaceChem | linux |
No player history yet. This app is now tracked, so data will appear within about ten minutes.
| Playing now | Not polled yet (never) |
|---|---|
| 24-hour peak | |
| All-time peak (tracked) |
All Steam store regions, converted to USD at today's exchange rate, compared with the US price. Lowest is the lowest price SteamRaw has recorded for that region.
Loading regional prices…
| Date | Price | Regular | Discount |
|---|---|---|---|
| 2026-09-11 21:01 UTC | $9.99 | $9.99 |
| DLC | AppID | Release | Price |
|---|---|---|---|
| No DLC known for this app. | |||
| Branch | Build ID | Description | Updated | Password |
|---|---|---|---|---|
| public | 24286672 | 2026-07-19 20:23 UTC | ||
| crash-reporter | 13307988 | Additional crash reporting | 2024-01-30 01:53 UTC | |
| hardware-cursor | 11861587 | Hardware mouse cursor | 2023-08-03 21:25 UTC | |
| v1015 | 4728335 | SpaceChem v1015 (old version) | 2020-07-15 23:03 UTC | |
| community-edition | 24882091 | SpaceChem Community Edition | 2026-08-22 17:33 UTC | |
| community-unstable | 25156120 | SpaceChem Community Edition (preview branch) | 2026-09-06 19:57 UTC |
| Depot | Name | OS | Size | Download | Public manifest | Notes |
|---|---|---|---|---|---|---|
| 92801 | windows | 271.04 MB | 90.05 MB | 3250531279835245261 | branches: crash-reporter, hardware-cursor, v1015, community-edition, community-unstable | |
| 92802 | macos | 291.51 MB | 95.86 MB | 2793503825822668781 | branches: crash-reporter, hardware-cursor, v1015, community-edition, community-unstable | |
| 92804 | linux | 292.55 MB | 96.11 MB | 5659506174186305590 | branches: crash-reporter, hardware-cursor, v1015, community-edition, community-unstable |
A build is one published version of the game's files on a branch. Steam assigns a new build ID every time the developer pushes an update, so this list is the update history of the app. The files inside a build (depot manifests) are only readable with an account that owns the game, which SteamRaw does not have yet, so build contents are not shown.
| Build ID | Branch | Updated | First seen |
|---|---|---|---|
| 25156120 | community-unstable | 2026-09-06 19:57 UTC | 1 hour ago |
| 24882091 | community-edition | 2026-08-22 17:33 UTC | 1 hour ago |
| 24286672 | public | 2026-07-19 20:23 UTC | 1 hour ago |
| 13307988 | crash-reporter | 2024-01-30 01:53 UTC | 1 hour ago |
| 11861587 | hardware-cursor | 2023-08-03 21:25 UTC | 1 hour ago |
| 4728335 | v1015 | 2020-07-15 23:03 UTC | 1 hour ago |
Every appinfo change SteamRaw has observed, grouped by changelist. Tags, features, languages, builds, depots, prices and any other key Steam publishes. Tracking since 2026-09-11 21:03 UTC.
No changes recorded since SteamRaw first saw this app. Every future PICS change will be listed here.
| Changelist | Apps | Packages | Seen | What changed |
|---|---|---|---|---|
| No changelists recorded for this app yet. | ||||
Today's update makes a few improvements to the game's windowing behavior, allowing it to be arbitrarily resized and toggled in and out of fullscreen by pressing Alt-Enter. It also fixes a typo (!) in the final puzzle.
Boot up your Z5 Powerlance and dial into Last Call BBS, the last game from Zachtronics! The Barkeep’s loaded up his retro computer with a full set of puzzle games for you to download and play. No need to worry about copy protection, they’re all fully cracked and ready to enjoy! Includes eight full games: 20th Century Food Court: Design factories to produce food just like they did over 700 years ago in the 20th century. Keep your costs low and your machines running fast! STEED FORCE Hobby Studio: Assemble robot models based on the anime smash hit Steed Force right on your computer. No sandpaper
Today's update fixes a minor bug where typing a forward slash into a text field would paste the contents of your clipboard instead, in addition to some tweaks to make the "mirror vertically" feature more intelligent.
SpaceChem, the classic Zachtronics design-based puzzle game not only got a sweet update recently to improve the tech behind the game, it's also now super easy to grab the updated community version.
Today's update brings SpaceChem into the future with an upgrade from SDL 1.2 to SDL 2.0 and 64-bit builds for macOS so that the game now runs on macOS Catalina. It looks like it also contains a few fixes for obscure crashes and scroll wheel support for some of the game's UI.
Satisfactory review A first-person industrialism sim that sees you wrestling with machinery on an alien planet to create the perfect factory. * Developer: Coffee Stain Studios; * Publisher: Coffee Stain Publishing; * Release: Out now; * On: Windows; * From: Steam, Epic; * Price: £27/€30/$30; There it is, the trans-planetary pipeline. One long tube of metal scarring a rural alien planet. It brings coal and water to my power stations, and electricity to my factories. It has taken a day of planning, construction and pumping. Now, the pipeline stands before me, a snaking behemoth of energy consu
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 bug where input distributions were reset when opening windows in ResearchNet.
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…)
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 printer ink to burn. Grab it free on Steam. I feel smarter just having it on my PC. (more…)
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.
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.
Can you believe it's been over eight years since SpaceChem first launched? Today we're releasing a community-driven update featuring a host of bug fixes, improvements, and new journal puzzles. Special thanks to 12345ieee and Csaboka, who did most of the actual work for this update. Added a bunch of new user-created puzzles to ResearchNet. Added a right-click menu to the inside of reactors with options to swap colors, mirror the program, and reset the contents of the reactor. Added an option to the options menu to show bonder priority in reactors. Improved the performance of the fastest playbac
I reckon most of the RPS Treehouse gang love us some Zachlikes, since well before Alice Prime coined the term in 2016 in reference to Shenzhen I/O. Puzzlemeister Zach Barth likes the term too, as he’s borrowed it for the title of his book. Currently crowdfunding on Kickstarter (500% funded in one day), Zach-Like shows the workings and the processes behind his practical puzzlers. There’s design docs for his major games, sketches and documents for some that never got made and some early design exercises. There’s even some pen-and-paper brainteasers in there, because we’re
Today's update fixes a crash on Mac when importing custom puzzles. No other platforms should be affected.
After a few years of SpaceChem not being officially supported on Mac, we've finally gotten around to getting it working again! It ought to work out of the box for everyone now, and not require Mono to be installed separately or anything like that. If you experience anything weird please send me an email (zach@zachtronics.com).
Full appinfo as delivered by Steam PICS, changenumber 38650333. Also at /api/app/92800/raw.
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