Cheat mode:
Enter one of the following passwords to activate the corresponding cheat function. A sound will confirm correct code entry. Press B to return to the main menu and start a new game. Note: Only one code can be enabled at one time and cannot be used when resuming an existing game.

Unlimited lives:
Enter KMIORMAO as a password.

Maximum weapons, defense, and six repair kits:
Enter ALWMAA15 as a password.

Two extra lives:
Enter 2ELFMPLS as a password.

Four extra lives:
Enter IAGAW4EL as a password.

Two weapon upgrades per character:
Enter GMACOEWU as a password.

Four weapon upgrades per character:
Enter IAGAW4WU as a password.

Two defense upgrades per character:
Enter JT2DU4MP as a password.

Four defense upgrades per character:
Enter DUATOU4M as a password.

Start at World 2 (Mechtropolis):
Enter IWTSOWN2 as a password.

Start at World 3 (Aquatica):
Enter TMTWN3PD as a password.

Start at World 4 (Arborea):
Enter IALTSMO4 as a password.

Start at World 5 (Silicon City):
Enter IOTJOWN5 as a password.

Start at World 6 (Magma):
Enter FILGSOW6 as a password.

Start at World 7 (Koo Foo Ship):
Enter IWTSOWN7 as a password.