Effect Code Full Ammo (*6 button pad required) Pause the game, and press A, C, Mode and Up simultaneously God Mode (*6 button pad required) Pause anytime during play, and press X, Z, Mode and Up simultaneously. Invincibility Press X + Y + Mode + Up during gameplay. Unlock all Weapons Pause the game and press A, B, C, X, Y, and Z at the same time to unlock all weapons.
The following codes require a six button controller and can be entered any time during play:
Effect Code Use the BFG 9000 Mode + Z Use the Chaingun Mode + C Use the Chainsaw Mode + Start Use the Pistol Mode + A Use the Plasma Rifles Mode + Y Use the Rocket Launcher Mode + X Use the Shotgun Mode + B
Contributed By: Aziz Strife 7777.
Level 16 & Full Ending
Play through all 15 levels to be able to reach Level 16, and the true ending.
Contributed By: ReyVGM.
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