Is there any cheats for urban chaos

Press Up twice, Down twice, Circle, Down, Up, Circle at the main menu screen. A cheat option will now appear at the title screen. Select it, then enter one of the following cheats to activate the cheat , which can be turned on or off (except for: All levels and emergencies)

KEYTOTHECITY - All levels and emergencies
FRYINGTIME - Long range stun gun
MINIFUN - Mini gun instead of pistol
ULTIMATEPOWER - MK3 assault rifle with unlimited grenades
ZEROTOLERANCE - MK4 pistol
BURNINGBULLET - Bullets set fire to enemies
ISEEYOU - Thermal breather MK2 has better smoke visibility
WHATWASTHAT - Squeaky voices
KEEPYOURHEAD - No heads
DANCINGFEET - Disco mode
BURNERSREVENGE - Terror mode