Grand Theft Auto: San Andreas Weapons Codes -

Weapons (tier 1):
Press R1, R2, L1, R2, , , , , , , , while playing the game. You will see a message if the code has been entered correctly. The least powerful weapons in each category will be unlocked. Brass Knuckles, Bat, 9mm, Shotgun, Micro MP5, AK-47, Rifle, Rocket Launcher, Molotovs, Spray Can.

Weapons (tier 2):
Press R1, R2, L1, R2, , , , , , (x2), while playing the game. You will see a message if the code has been entered correctly. Knife, Desert Eagle, Sawed-Off, Tec-9, M4, Sniper Rifle, Flame Thrower, Grenades, Fire Estinguisher.

Weapons (tier 3):
Press R1, R2, L1, R2, , , , , , (x3) while playing the game. You will see a message if the code has been entered correctly. Chainsaw, Silenced 9mm, Spaz, MP5, M4, Sniper Rifle, Heat Seaking Rocket Laucher, Remote Explosives.

Armor, health and $25,000:
Press R1, R2, L1, , , , , , , , , while playing the game. You will see a message if the code has been entered correctly.

if your car catches on fire, and you want to keep that car, enter the health cheat and the fire will go out and all damage to the car will be fixed.

Vehicle of death:
Press L1, L2(x2), , (x2), , R1, R2(x2) while playing the game. You will see a message if you have entered the code correctly. Any vehicle driven becomes invincible and has the ability to destroy anything it touches.

Adrenaline effects:
Press (x2), Square, R1, L1, , , , while playing the game. You will see a message if the code has been entered correctly. CJ will be effected in a similar manner to if he took an adrenaline pill from the prior Grand Theft Auto games, with increased strength and slower time.

Manual weapon control drive bys in cars:
Press (x2), Square, L2, , , R1, , R2, Circle while playing the game. You will see a message if the code has been entered correctly. You can now aim and shoot at passing pedestrians/vehicles using the , just like your homies can do during drive-by shootings.

Destroy all cars:
Press R2, L2, R1, L1, L2, R2, Square, Triangle, Circle, Triangle, L2, L1 while playing the game. You will see a message if the code has been entered correctly.

Super (Diesel) punches:
Press , , , Triangle, R1, Circle(x3), L2 while playing the game. You will see a message if the code has been entered correctly. Punch pedestrians to send them flying further away. However, they can also super punch.