To Enable Cheat, Pause And Press L1+L2 For 10 Seconds, And Press:

1-Ups <, Down, >, Triangle, Square, X, Circle.
Extra Ammo Down, >, Circle, <, >, Circle.  Pause and select Ammo to refill ammo.
Extra Bombs R1, R2, X, Triangle, Square, Circle, R1, R2, Circle, Circle, Square.
Invincibility Square, Down, Down, Square, Down, Down, Circle. (Thanks to DANMONEY@webtv.net)
Level Select Up, >, Down, <, Triangle, Circle, X, Square, X, Triangle, Square, Circle.
Level Skip X, R1, Triangle, R1, Square, Circle, R2, R2, X, Square, Triangle, X
Refill Health >, >, <, Down, Up, Triangle, Circle.  Pause and select Health to refill health.
Weapon Power Up Down, >, Down, >, Triangle.  Pause and select Power at any time during gameplay after that.

• Possibly Related Posts
• Excalibur 2555AD Cheats
• Black Dawn Cheats
• Disruptor Cheats
• Re-Loaded Cheats
• Skull Monkeys Cheats