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All Levels
Hold up on controller 2 at the level select and enter with start, select, select, square with controller one.

Invincisble
During gameplay hold R1+L1 and press Up, Up, Down, Down, Left, Left.

Never Die
Make a profile named Guzzo.

Unlimited Ammo
Make a pro named Dixon.

Unlock All Levels
Hold R1 & L1, then press Up, Up, Down, Down, Left, Left, Right, Right, Square, Right, Square, Right, Square.

Never Die
While in the pause menu, hold down R1 and L2 and press X, X, O, O, Triangle, Square.

All Chapters And Bonus Content
At the chapter select screen hold select and press Right(2), Left(2), Square(2).

2,000 Smoke Gernades
While playing, press R1, Circle, R2, L2, Square. If you enter it correctly, a message should appear.

2,000 Frag Grenades
while playing press R1, R1, L2, Circle, Circle, X. A message should appear.