| Cheat Name | Cheat Code |
| Health & Weapons Give Niko health and weapons. | 482-555-0100 |
| Health & Armour Give Niko health and armour. Blocks the achievement "Finish Him." | 362-555-0100 |
| Weapons (Advanced) Baseball Bat, Grenades, Combat Pistol, Combat Shotgun, SMG, Carbine Rifle, Combat Sniper, RPG. | 486-555-0100 |
| Weapons (Poor) Knife, Molotovs, Pistol, Pump Shotgun, Micro SMG, Assault Rifle, Combat Sniper, RPG. | 486-555-0150 |
| Remove Wanted Level Remove any police wanted level. Blocks the achievement "Walked free." | 267-555-0100 |
| Raise Wanted Level Add one star to Niko's wanted level. | 267-555-0150 |
| Change Weather Select from eight different weather types. | 468-555-0100 |
| Spawn Annihilator Spawn an Annihilator helicopter in front of Niko. | 359-555-0100 |
| Spawn Jetmax Spawn a Jetmax boat in front of Niko. | 938-555-0100 |
| Spawn NRG-900 Spawn an NRG-900 bike in front of Niko. | 625-555-0100 |
| Spawn Sanchez Spawn a Sanchez bike in front of Niko. | 625-555-0150 |
| Spawn FIB Buffalo Spawn an FIB Buffalo in front of Niko. | 227-555-0100 |
| Spawn Comet Spawn a Comet in front of Niko. | 227-555-0175 |
| Spawn Turismo Spawn a Turismo in front of Niko. | 227-555-0147 |
| Spawn Cognoscenti Spawn a Cognoscenti in front of Niko. | 227-555-0142 |
| Spawn Super GT Spawn a Super GT in front of Niko. | 227-555-0168 |