Weapon Cheats
The cheats for weapons each hand you a set of weapons. For example, in weapon set number one, you get the brass knuckles, a knife, Molotov cocktails, the 9mm, a rifle, an SMG and the AK-47. For these weapons, press the following buttons in rapid succession: "Left," "Right," "X," "Up," "Down," "Square," "Left,", "Right." Input "Left," "Right," "Square," "Up," "Down," "Triangle," "Left," "Right," and you're given the second weapon set, containing a katana, some remote grenades, a python, a shotgun, a silenced uzi, an M4, the rocket launcher, and a sniper rifle. The final weapon set contains: chainsaw, grenades, laser scope python, shotgun, mp5, m4, minigun, sniper rifle. To unlock Weapon set 3, type in the code "Left," "Right," "Triangle," "Up," "Down," "Circle," "Left," "Right."
Health and Armor
When health or armor are running low, the following codes may prove useful: "Up," "Down," "Left," "Right," "Square," "Square," "L" button, "R" button increases your armor; and for health, "Up," "Down," "Left," "Right," "Circle," "Circle," "L" button, "R" button.
Vehicles
Sometimes you just need to slip into something extremely slow and armored. For those times, you can instantly spawn an empty Rhino tank with "Up," "L" trigger, "Down," R trigger, "Left," L trigger, "Right," R trigger. If you're looking for something in a garbage truck, the Trashmaster is just a button combo away. "Down," "Up," "Right," "Triangle," "L" trigger, "Triangle," "L" trigger, "Triangle" is the code for Trashmasters. The vehicles will appear on the nearest road, and you may have to look around to find them.
Instant Cash
Because it's a lot easier in games than in real life, you can instantly give yourself a $250,000 raise by typing in "Up," "Down," "Left," "Right," "X," "X," "L" button, "R" button.
Wanted Level
To give yourself a little extra excitement, try raising the wanted level on yourself. For each time you type in "Up," "Right," "Square," "Square," "Down," "Left," "Circle," "Circle," the wanted level increases by one star. However, if you want to always get away scot free, "Up," "Right," "Triangle," "Triangle," "Down," "Left," "X," "X" is the code for you: never increase your wanted level.
Traffic Avoidance
If all the other cars avoided you, traffic would be a breeze. Fortunately, pressing "Up," "Up," "Right," "Left," "Triangle," "Circle," "Circle," "Square" makes that happen for you.
Chrome Cars
Fans of the gleam of chrome may be intrigued by the following code: "Right," "Up," "Left," "Down," "Triangle," "Triangle," "L" trigger, "R" trigger. Now all the cars on the road shine in the light.