SpaceChem is now available on Steam!
If you’re still thinking about purchasing SpaceChem, you can buy it either on Steam
or on the Zachtronics Industries store
. If you’ve already purchased from the ZI store, or do in the future, you can activate your key on Steam
by following these instructions
If you’re interested in playing the game on Linux, please purchase from the ZI store; the Steam version of SpaceChem is for Windows and Mac only!