Zombie Zone Cheats, Codes, Cheat Codes, Walkthrough, Guide, FAQ, Unlockables for PlayStation 2 (PS2)

Zombie Zone Cheat mode

At the “Press Start” screen, quickly press Up, Down, Up, Down, L1, R1, L2, R2, L3, R3, Up, Down, Up, Down, L1, R1, L2, R2, L3, R3 to unlock all bonuses.