Grand Theft Auto: Chinatown Wars Command codes

Weapon Set 2
Enter this code at any time during single player mode (not on a pause menu) to get weapon set 2:

R, Up, A, Down, Left, R, A, Right

Weapon Set 2 includes these weapons with maximum ammo:

Molotov, Teaser, Dual Pistols, Flamethrower, Carbine, SMG, Dual-barrel