Add -cheat to the end of the Project Eden start up file for
 example:

 C:\ProjectEden\Eden.exe -cheat

 Once in game click right mouse button to bring up a menu. Click on the ! inside
 the triangle in the bottom right corner of the screen to use the cheats.

 Some of the cheats require you to turn them on for each of the four characters
 and some can be turned on once for the entire team.