To activate the cheats hold down the F10 while entering. The codes
themselves use the F1 - F4 keys to activate.
Once the user has applied the code use the F5 to activate it. It can be
activated an unlimited amount of times until another code is entered. To
use another code, the player must first hit the F6 key to clear the
current cheat.
F2 F1 F4 F3 - Reload shield
F2 F1 F4 F3 F3 F4 F1 F2 - Blue player -> black
F2 F4 F1 F3 F1 F3 F4 F2 - Reload weapon 0
F4 F3 F1 F2 F4 F3 F1 F2 - Reload weapon 1
F2 F1 F2 F4 F2 F1 F3 - Reload weapon 2