Unlockable: Swap Pistol with Mini-gun Collect 204 medals. To use the handgun once more, you will need to use the Pistol Mk.4 cheat.
Cheat List At the main menu enter UP,UP, DOWN, DOWN, CIRCLE, DOWN, UP, CIRCLE. Now, select the CHEAT section from the main menu and enter the following passwords for the corresponding modifications.

• DANCINGFEET: activate disco mode
• BURNERSREVENGE: activate terror mode
• BURNINGBULLET: bullets set fire to enemies, like one hit kills
• KEEPYOURHEAD: no heads
• ISEEYOU: thermal breather MK2 bettter visibilty in smoke
• WHATWASTHAT: turns on squeaky voices
• FRYINGTIME: unlock long range stungun
• MINIFUN: unlock minigun, replaces the pistol
• ULTIMATEPOWER: unlock MK3 assault rifle with unlimited grenade ammo
• ZEROTOLERANCE: unlock MK4 pistol
• KEYTOTHECITY: unlocks all levels and emergencies