Grand Theft Auto III: Rainy weather

Puts an extra $250,000 into your cash total.

Fills your body armor bar, giving you a buffer that soaks up damage before your health drops.

Tops your health back up to the maximum. If you are driving at the time, your vehicle is repaired as well.

Adds every weapon to your inventory, each with ammunition. Entering the code again tops the ammo up further.