Submitted by: Haspa
Go to the skirmish level selection menu. Hold [Left Ctrl]+[Right Alt]+[Page Up]
for about one second. Go back to the main menu, and then go to "Arm Center".
You should have every part and weapon available. Note: This also unlocks every
level and round in skirmish mode.
Press [Enter] during game play, type give me a big head, then press [Enter] again.
To return to normal size, press [Enter] during game play, type get my head back,
then press [Enter] again.