These instructions pertain to all of our commercial games except for SpaceChem.

If the game is crashing and taking you to a support page, please fill out and submit the form. It will send us an email that automatically contains all the information we need to fix the crash.

If the game is crashing without taking you to a support page, or if you need help with something else, please contact for assistance.


If you’re experiencing difficulties with SpaceChem, please contact for assistance. If possible, include a zip file containing all files from the following location:

  • Windows XP: C:\Documents and Settings\USERNAME\Local Settings\Application Data\Zachtronics Industries\SpaceChem
  • Windows Vista / 7: C:\Users\USERNAME\AppData\Local\Zachtronics Industries\SpaceChem
  • Linux / Mac: ~/.local/share/Zachtronics Industries/SpaceChem


If you’re experiencing difficulties with any of our older games, please contact for assistance. Keep in mind that all Zachtronics games prior to SpaceChem are no longer officially supported, so we may not be able to solve your problem, although we’ll certainly try to help!


Most of our games collect anonymous usage data, which includes (but is not necessarily limited to) randomly-generated anonymous identifiers, your current in-game settings, and game-specific events (like your scores when you solve a puzzle in one of our puzzle games). We use this data to improve our games and better understand how players interact with them.

We do not collect any personally identifying information.

If you have any questions or concerns, please contact