Cheat mode
Press Up, Up, Down, Down, CIRCLE, Down, Up, CIRCLE at the main menu screen. A "Cheat" option will now appear at the title screen:
Note: Codes are case-sensitive.
| Code: | Result: |
| KEYTOTHECITY | All levels and emergencies |
| BURNINGBULLET | Bullets set fire to enemies |
| DANCINGFEET | Disco mode |
| FRYINGTIME | Long range stungun |
| MINIFUN | Minigun instead of pistol |
| ULTIMATEPOWER | MK3 assault rifle with unlimited grenades |
| ZEROTOLERANCE | MK4 pistol |
| KEEPYOURHEAD | No heads |
| WHATWASTHAT | Squeaky voices |
| BURNERSREVENGE | Terror mode |
| ISEEYOU | Thermal breather MK2 has better smoke visibility |
Completion bonuses
Successfully complete the game to unlock the Terror difficulty setting and another level of medals.
Unlock extras
Successfully complete the game to unlock the Terror difficulty setting and another level of medals.
Submitted By: pascalleke
Medal bonuses
Get the indicated number of medals to unlock the corresponding bonus:
| 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 |
Bonus weapons
Complete the indicated number of emergency situations or tasks to unlock the corresponding weapon:
| 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. |
| Terror Mode | Complete all story missions under any difficulty setting. |
| Thermal Breather | Complete Webster Street. |
Emergency missions
Capture the indicated number of gang leaders alive to unlock the corresponding Emergency mission:
| Unlockable: | How to Unlock: |
| Emergency Angel Heights | Capture 10 gang leader alive. |
| Emergency Dockyard | Capture 4 gang leaders alive. |
| Emergency Downtown | Capture 1 gang leader alive. |
| Emergency Sewers | Capture 6 gang leader alive. |
| Emergency South Side Lot | Capture 2 gang leaders alive. |
| Emergency Thompson St. | Capture 8 gang leader alive. |
Spin gun
Rotate the [Right Analog-stick] clockwise to make Nick spin the gun he is holding. Note: This only works with the pistol.
Slow-motion enemy deaths
Rotate the [Right Analog-stick] clockwise two times. The crosshair will turn light blue. The next enemy killed will be shown in slow-motion.