The Lost and the Damned is an expansion pack for Grand Theft Auto 4 with additional game content including new cheat codes and achievements. It is available for download from the Xbox Live Marketplace, and it was also released as part of the GTA: 4 Episodes From Liberty City collection alongside The Ballad of Gay Tony.
The following GTA 4 cheats for Xbox 360 are exclusive to The Lost and the Damned. Most cheats for GTA 4 are also compatible with the expansion pack content.
GTA 4: The Lost and Damned Cheats for Xbox 360
| Effect | Cheat Code |
| Weapon Package 1 (knife, assault rifle, combat sniper, RPG, pump shotgun, pistol, and more) | 486-555-0150 |
| Weapon Package 2 (baseball bat, grenades, SMG, carbine rifle, and more) | 486-555-0100 |
| Change Weather | 468-555-0100 |
| Raise Wanted Level | 267-555-0150 |
| Remove Wanted Level (blocks the 'Walked Free' achievement) | 267-555-0100 |
| Restore Armor (blocks the 'Finish Him' achievement) | 362-555-0100 |
| Restore Health, Armor, and Ammo | 482-555-0100 |
| Song Information | 948-555-0100 |
| Spawn Cognoscenti | 227-555-0142 |
| Spawn Comet | 227-555-0175 |
| Spawn Jetmax | 938-555-0100 |
| Spawn Sanchez | 625-555-0150 |
| Spawn SuperGT | 227-555-0168 |
| Spawn Turismo | 227-555-0147 |
| Spawn Annihilator | 359-555-0100 |
| Spawn FIB Buffalo | 227-555-0100 |
| Spawn NRG-900 | 625-555-0100 |
| Spawn Burrito | 826-555-0150 |
| Spawn Double T | 245-555-0125 |
| Spawn Hakuchou | 245-555-0199 |
| Spawn Hexer | 245-555-0150 |
| Spawn Innovation | 245-555-0100 |
| Spawn Slamvan | 826-555-0100 |
GTA 4: The Lost and Damned Unlockables
Unlock the following perks by completing the indicated tasks.
| Unlockable | How to Unlock |
| Remove Ammo Limit | Get 100% completion. |
| Assault Shotgun in Safehouse | Complete 40 gang wars. |
| Automatic Pistol in Safehouse | Complete 20 gang wars. |
| Carbine Rifle in Safehouse | Complete 30 gang wars. |
| Grenade Launcher in Safehouse | Complete 50 gang wars. |
| Sawed-off Shotgun in Safehouse | Complete 10 gang wars. |
| Hokachu Bike | Beat 12 races in single player. |
Swing Set Glitch
Find a playground with a swing set. If you drive up to a swing and bump it with your car, you'll be propelled into the air.
GTA 4: The Lost and Damned Achievements on the Xbox 360
These achievements are exclusive to The Lost and the Damned expansion pack.
| Achievement | Points | How to Unlock |
| Easy Rider | 100 points | Finish the story. |
| Full Chat | 70 points | Build Terry and Clay's toughness to 100%. |
| Get Good Wood | 50 points | In the bike races, whack 69 bikers with a bat. |
| One Percenter | 5 points | Help Billy get his bike back. |
| The Lost Boy | 25 points | Become leader of The Lost. |
Multiplayer in Different Versions of The Lost and Damned
While all versions of The Lost and the Damned include the same content, gamers playing the GTA: 4 Episodes From Liberty City collection cannot play online with those who downloaded The Lost and the Damned from the Xbox Marketplace.
