Unlockable
| Unlockable | Requirements |
| .44 in the den | Complete 10 wars of bands. |
| Advanced machine gun in the den | Complete 20 wars of bands. |
| Explosive shotgun in the guard | Complete 30 wars of bands. |
| Gold Metrallet in the den | Complete 50 wars of bands. |
| Dorado Buitre | Complete the game. |
| Noose APC in the construction zone | Kill 50 seagulls. |
| Parachute in the den | Complete 15 Base jumps. |
| Eliminates the ammunition limit | Complete the game one hundred percent. |
| Adherent bombs in the den | Complete 40 wars of bands. |
| Yellow diamond out of Yusef’s apartment | Complete the game. |
Trick codes
| Code | Effect |
| 625-555-0200 | Akuma (Moto). |
| 272-555-8265 | APC (tank). |
| 359-555-2899 | Buzzard (helicopter). |
| 468-555-0100 | Climate changes. |
| 938-555-0150 | Floater (boat). |
| 362-555-0100 | Health and armor. |
| 482-555-0100 | Health, armor and advanced weapons. |
| 359-555-7272 | Parachute. |
| 267-555-0150 | Raise the search level. |
| 267-555-0100 | Remove the search level. |
| 486-555-2526 | The sniper rifle bullets explode. |
| 359-555-0100 | Annihilator. |
| 227-555-9666 | Bullet GT. |
| 227-555-0142 | Cognenti. |
| 227-555-0175 | Comet. |
| 938-555-0100 | Jetmax. |
| 625-555-0100 | NRG-900. |
| 625-555-0150 | Sanchez. |
| 227-555-0168 | Super GT. |
| 227-555-0147 | Tourism. |
| 227-555-0100 | Fib Buffalo. |
| 276-555-2666 | Explosive puffs. |
| 625-555-3273 | Vader (Moto). |
| 486-555-0100 | Advanced weapons. |
| 486-555-0150 | Poor weapons. |
Achievements
| Achievements | Requirements |
| Adrenaline Junkie (25) | Free fall fall as long as possible. |
| Bear Fight (15) | Win the Liberty City Cage Fighters Championship. |
| Catch the bus (15) | I dance perfectly in the two Tony clubs. |
| Diamonds Forever (5) | Complete the Trinity. |
| Four Play (10) | Hits a flag with a golf ball four times. |
| Gold Star (80) | Get 100% in all missions. |
| Gone Down (5) | Complete all base jumps. |
| Master (30) | The ballad ends. |
| Past The Velvet Rope (45) | Get 80% or more in all missions. |
| Snow Queen (20) | Complete the 25 drug wars. |