During gameplay press Select, then hold L1 + L2 + R1 + R2 + Square and press Left.
Invisibility
During gameplay press Select, then hold L1 + L2 + Square and press Left.
Weapons and ammunition
During gameplay press Select, then hold L2 + R2 + Square and press Left.
Full ammunition
During gameplay press Select, then hold R1 + Square and press Left.
A message and sound will confirm correct code entry
A message and sound will confirm correct code entry