Urban Chaos: Riot Response cheats and cheat codes for XBox

Press Up, Up, Down, Down, Y, Down, Up, Y on your controller to 
unlock the cheat option. Got to cheat section and enter one of 
the following codes:

Code - Effect
DANCINGFEET - Enable disco mode 
BURNERSREVENGE - Enable terror mode 
BURNINGBULLET - One hit kills 
KEEPYOURHEAD - Without heads 
ISEEYOU - Better visibilty in smoke 
WHATWASTHAT - Turns on squeaky voices 
FRYINGTIME - Long range stungun 
MINIFUN -  Minigun
ULTIMATEPOWER - MK3 assault rifle with infinite grenades 
ZEROTOLERANCE - MK4 pistol 
KEYTOTHECITY - All levels and emergencies 

Unlock Spin gun:
Rotate the Right Analog-stick clockwise (only works with the pistol)

Unlock Swap Pistol with Mini-gun:
Accumulate 204 medals

Unlock weapons:
Unlock Assault Rifle  1 - Finish two Emergency Situations 
Unlock Assault Rifle  2 - Finish four Emergency Situations 
Unlock Assault Rifle  3 - Finish six Emergency Situations 
Unlock Shotgun  1 - Finish one Emergency Situation 
Unlock Shotgun  2 - Finish three Emergency Situations 
Unlock Shotgun  3 - Finish five Emergency Situations
Thermal Breather - Finish Webster Street.
Terror Mode and other levels of medals - Finish game in story mode