You can input cheats by going to options section (on the main menu) and selecting cheats/codes. Press the X button (for gamecube) to enter the cheats that you find online.If you have the PS2 vesion,...
Commando 2 has two cheats.Take the Swiss Army Knife and press Tab- revalobo, and you get a German Revalobo Bazooka. And you also can press Tab- ringrazor,(for emergencies) and a razor-ring forms...