Infected PSP Cheats and Codes
Unlock Chimaira:
Mission 29: Kill one zombie by the chimaira sign.
Unlock Slipknot 0:
Mission 5: Kill one zombie by the slipknot sign.
Unlock Slipknot 1:
Mission 7: Kill one zombie by the slipknot sign.
Unlock Slipknot 2:
Mission 10: Kill one zombie by the slipknot sign.
Unlock Slipknot 3:
Mission 13: Kill one zombie by the slipknot sign.
Unlock Slipknot 4:
Mission 16: Kill one zombie by the slipknot sign.
Unlock Slipknot 5:
Mission 20: Kill one zombie by the slipknot sign.
Unlock Slipknot 6:
Mission 23: Kill one zombie by the slipknot sign.
Unlock Slipknot 7:
Mission 26: Kill one zombie by the slipknot sign.
Unlock Slipknot 8:
Mission 31: Kill one zombie by the slipknot sign.
Unlock Santa Claus or Bloodrayne:
The will be unlocked after finish all missions.
Choose any given letter by the game title you need to find PSP cheats or Codes for.
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