Ground Control Codes -

Cheat mode:
Press M + S + V at the main menu. Then enter one of the following codes at the prompt to activate the corresponding cheat function.

Effect	Code
Press ~ to display console window	console
God Mode for all units	god
Disable God mode	not god
Unlock all campaign missions in custom game menu	gimme maps
Secret Sabotage Mission unlocked in custom game menu	the new generation of rts-games
Flashlight GUI	flashlight
Alternate textures	from massive with love

Exploding fish:
Repeated click on the fish on the credits screen.