Guides
PSP : Infected Cheats
Below are the cheats, hints, and tips that Game Gas knows about for Infected. On the right are
websites that may have additional cheat codes, hints, or tips for Infected.
Unlock Slipknot 6
Mission 23: Kill one zombie by the slipknot sign.
Unlock Slipknot 5
Mission 20: Kill one zombie by the slipknot sign.
Unlock Slipknot 7
Mission 26: Kill one zombie by the slipknot sign.
Unlock Santa Claus or Bloodrayne
The will be unlocked after finish all missions.
Unlock Slipknot 3
Mission 13: Kill one zombie by the slipknot sign.
Unlock Slipknot 8
Mission 31: Kill one zombie by the slipknot sign.
Unlock Slipknot 1
Mission 7: Kill one zombie by the slipknot sign.
Unlock Slipknot 4
Mission 16: Kill one zombie by the slipknot sign.
Unlock Slipknot 2
Mission 10: Kill one zombie by the slipknot sign.
Unlock Slipknot 0
Mission 5: Kill one zombie by the slipknot sign.
Unlock Chimaira
Mission 29: Kill one zombie by the chimaira sign.