Code                            Effect

console                         Press ~ to display console window
god                             God Mode for all units   
notgod                          Disable God mode   
gimme maps                      Unlock all campaign missions in custom game menu   
the new generation of rts-games Secret Sabotage Mission unlocked in custom game menu   
flashlight                      Flashlight GUI   
from massive with love          Alternate textures 

Hints

Truely Useless:

If you go into the credits and click repeatedly on the fish, it will explode and

you hear children laugh and say “messy”.

Thanks to Revolution readers The Commander and Hungrypete!