We have 1 cheats and tips on PC. If you have any cheats or tips for ZPC please send them in here. You can also ask your question on our ZPC Questions & Answers page.
Hold 'Ctrl' and type the following
tetsuo - Degreelessness Mode
ack - Oxygen
psion - Weapons
Level select:
Hold 'Alt' + 'Esc' when starting a new game.