At the "Main Menu Screen" press Up, Up, Down, Down, Y, Down, Up, Y to unlock the "Cheat" Screen/Option. Select the "Add Cheat" option before entering one of the following Case-Sensitive Cheats below:
Effect Code Assualt Rifle Mk3 with Infinite Shells Unlocked ULTIMATEPOWER Disco Light Mode DANCINGFEET Enhanced (Longest Ranged) Stun Gun unlocked FRYINGTIME Headless Enemies KEEPYOURHEAD Mini-Gun Unlocked MINIFUN Pistol Mk4. Unlocked ZEROTOLERANCE Shot Sets Enemy on Fire BURNINGBULLET Squeaky (Helium) Voices WHATWASTHAT Terror Difficulty Unlocked BURNERSREVENGE Unlocks all Levels and Emergencies KEYTOTHECITY
Contributed By: YuGiOhFm2002.
Slow-motion deaths at any time, for any enemy
At any time during gameplay, rotate the right analog stick 720 degrees (two full rotations). Your crosshair should turn a light blue color (if you're using the pistol, you'll also see a twirling animation), and the next enemy you defeat will go down in slow-motion. You can do this as many times as you want.
Effect Code Slow-motion death for next enemy defeated Rotate right analog stick 720 degrees
Contributed By: eshwaaz.
Unlock Terror difficulty and other levels of medals
To unlock the following, successfully complete the game.
Unlockable How to Unlock Other levels of medals Complete the game. Replace pistol with mini-gun 204 medals Terror Difficulty Complete the game.
Unlockable Armor, Weapons and Upgrades
Unlockable How to Unlock Assault Rifle Damage Upgrade Collect 32 Medals Extra Assault Rifle Clip Collect 40 Medals Extra Pistol Clip Collect 2 Medals Extra Shotgun Clip Collect 28 Medals Fourth Extra Assault Rifle Clip Collect 135 Medals Fourth Extra Pistol Clip Collect 105 Medals Fourth Extra Shotgun Clip Collect 125 Medals Grenade Belt Collect 24 Medals Infinite Assault Rifle Ammo Collect 190 Medals Infinite Pistol Ammo Collect 170 Medals Infinite Shotgun Ammo Collect 180 Medals Maximum Grenade Belt Collect 150 Medals Mini-gun Collect 204 Medals Pistol Damage Upgrade Collect 6 Medals Pistol Mk. 2 Collect 36 Medals Pistol Mk. 3 Collect 75 Medals Pistol Mk. 4 Collect 130 Medals Riot Grenades Collect 14 Medals Second Assault Rifle Damage Upgrade Collect 100 Medals Second Extra Assault Rifle Clip Collect 80 Medals Second Extra Pistol Clip Collect 16 Medals Second Extra Shotgun Clip Collect 65 Medals Second Pistol Damage Upgrade Collect 60 Medals Second Shotgun Damage Upgrade Collect 85 Medals Second Stun Gun Range Upgrade Collect 140 Medals Second Upgrade Grenade Belt Collect 120 Medals Shield Mk. 2 Collect 4 Medals Shotgun Damage Upgrade Collect 20 Medals Smoke Grenades Collect 10 Medals Stun Gun Mk. 2 Collect 12 Medals Stun Gun Range Upgrade Collect 70 Medals T-Zero Assault Armor Collect 90 Medals T-Zero Battle Armor Collect 45 Medals T-Zero Body Armor Collect 8 Medals Third Assault Rifle Damage Upgrade Collect 160 Medals Third Extra Assault Rifle Clip Collect 110 Medals Third Extra Pistol Clip Collect 50 Medals Third Extra Shotgun Clip Collect 95 Medals Third Pistol Damage Upgrade Collect 115 Medals Third Shotgun Damage Upgrade Collect 145 Medals Upgraded Grenade Belt Collect 55 Medals
Unlockable Emergency Missions
Unlockable How to Unlock Emergency: Angel Heights Capture 10 Gang Leaders Alive Emergency: Dockyard Capture 4 Gang Leaders Alive Emergency: Downtown Capture 1 Gang Leader Alive Emergency: Sewers Capture 6 Gang Leaders Alive Emergency: South Side Lot Capture 2 Gang Leaders Alive Emergency: Thompson St. Capture 8 Gang Leaders Alive
Unlockable How to Unlock Assault Rifle Mk. 1 Complete 2 Emergency Situations Assault Rifle Mk. 2 Complete 4 Emergency Situations Assault Rifle Mk. 3 Complete 6 Emergency Situations Shotgun Mk. 1 Complete 1 Emergency Situation Shotgun Mk. 2 Complete 3 Emergency Situations Shotgun Mk. 3 Complete 5 Emergency Situations
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More Urban Chaos: Riot Response from GameSpot