Grand Theft Auto: Liberty City Stories

All pedestrians, cars, Portland, Staunton Island, and Shoreside Vale unlocked in Multiplayer mode
While playing the game, press Up(3), Triangle(2), Circle, L, R. If you entered the code correctly, a message will appear.

Fourteen pedestrians, Portland, two gangs unlocked in Multiplayer mode
While playing the game, press Up(3), Square(2), Triangle, R, L. If you entered the code correctly, a message will appear.

Twenty eight pedestrians, Portland, Staunton Island, four gangs unlocked in Multiplayer mode
While playing the game, press Up(3), Circle(2), X, L, R. If you entered the code correctly, a message will appear.

Forty three pedestrians, two locations, seven gangs unlocked in Multiplayer mode
While playing the game, press Up(3), X(2), Square, R, L. If you entered the code correctly, a message will appear.

Weapons (tier 1)
While playing the game, press Up, Square(2), Down, Left, Square(2), Right. If you entered the code correctly, a message will appear. The brass knuckles, knife, Molotov cocktails, 9mm handgun, shotgun, Tec-9, AK-47, flamethrower, and sniper rifle will be unlocked. To get infinite ammunition for this or the other weapons tiers, repeatedly enable the code until no ammunition number appears beneath the gun pictures. Note: Enabling this code will cause your street creds to substantially drop in points. You can check your creds in the stats menu at the pause screen.

Weapons (tier 2)
While playing the game, press Up, Circle(2), Down, Left, Circle(2), Right. If you entered the code correctly, a message will appear. The katana sword, grenades, revolver, sawn-off shotgun, Uzi, M16, rocket launcher, and laser scoped sniper rifle will be unlocked. To get infinite ammunition for this or the other weapons tiers, repeatedly enable the code until no ammunition number appears beneath the gun pictures. Note: Enabling this code will cause your street creds to substantially drop in points. You can check your creds in the stats menu at the pause screen.

Weapons (tier 3)
While playing the game, press Up, X(2), Down, Left, X(2), Right. If you entered the code correctly, a message will appear. The chainsaw, grenades, revolver, SMG, combat shotgun, mini-gun, and sniper rifle will be unlocked. To get infinite ammunition for this or the other weapons tiers, repeatedly enable the code until no ammunition number appears beneath the gun pictures. Note: Enabling this code will cause your street creds to substantially drop in points. You can check your creds in the stats menu at the pause screen.

Full health
While playing the game, press L, R, X, L, R, Square, L, R. If you entered the code correctly, a message will appear. If this code is enabled when your car is smoking or damaged it will get repaired.

Extra armor
While playing the game, press L, R, Circle, L, R, X, L, R. If you entered the code correctly, a message will appear.

$250,000
While playing the game, press L, R, Triangle, L, R, Circle, L, R. If you entered the code correctly, a message will appear.

Wanted level disabled
While playing the game, press L(2), Triangle, R(2), X, Square, Circle. If you entered the code correctly, a message will appear. If this code is enabled, you can never have a wanted level.

Drive on water
While playing the game, press Circle, X, Down, Circle, X, Up, L(2). If you entered the code correctly, a message will appear

Sunny weather
While playing the game, press L(2), Circle, R(2), Square, Triangle, X. If you entered the code correctly, a message will appear.

Clear weather
While playing the game, press Up, Down, Circle, Up, Down, Square, L, R. If you entered the code correctly, a message will appear.

Overcast weather
While playing the game, press Up, Down, X, Up, Down, Triangle, L, R. If you entered the code correctly, a message will appear.

Rainy weather
While playing the game, press Up, Down, Square, Up, Down, Circle, L, R. If you entered the code correctly, a message will appear.

Foggy weather
While playing the game, press Up, Down, Triangle, Up, Down, X, L, R. If you entered the code correctly, a message will appear.