Enter the following key combinations while playing the game. If the codes are accepted, you will see a message. Re-enter the code to disable the cheat effect.Rifle:During the game enter the following sequence – Y, A, X, B, Y, UP.Unlock submachine gun few other items:Press Y, A, X, B, Y, UpSniper gun few other items:Press Y, A, X, B, Y, RightRocket launcher few othes items:Press Y, A, X, B, Y, LeftHeavy machine gun, miscellaneous items: Press Y, A, X, B, Y, DownShotgun, miscellaneous items:Press Y, A, X, B, B, UpNail gun:Press Y, A, X, B, A, LeftUnlimited ammo:Press Y, A, X, B, A, RightCycle through spawn points:Press Y, A, X, B, A, UpHighest charisma:Press Y, A, X, B, A, DownInvisibility:Press Y, A, X, B, B, LeftSlow motion:Press Y, A, X, B, B, RightFast motion:Press Y, A, X, B, B, DownRagdolls:Press Y, A, X, B, X, UpInvincibility: (PAL game version):Press Y, A, X, B, X, RightEnemies can