
Zachtronics 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!

Beat the game!

Beat the assignment "Challenge: In-Place Swap".

Beat the assignment "Challenge: Going Green".

Beat the assignment "Challenge: Applied Fusion".

Beat the assignment "Challenge: KOHCTPYKTOP".

Beat the assignment "Nothing Works" in under 1000 cycles.

Beat the assignment "No Thanks Necessary" in under 2200 cycles.

Beat the assignment "Gas Works Park" in under 2700 cycles.
Minimum OS *: Windows XP SP3 / Vista / 7 / 8 / 10 Processor: 2.0 GHz Processor Memory: 1GB RAM Hard Disk Space: 300MB Graphics: frame buffer support recommended
Minimum OS: macOS 10.9 Mavericks or later Processor: 2.0 GHz Processor Memory: 1GB RAM Hard Drive: 300MB Graphics: frame buffer support recommended
Minimum OS: glibc 2.17+, 64-bit only Processor: 2.0 GHz Processor Memory: 1 GB RAM Hard Drive: 300 MB Graphics: frame buffer support recommended