Unlock All clothes:
While playing, hold L1 and press L1, L1, R1, L1, L1, L1, R1, R1 on controller two.

Full health:
While playing, hold L1 and press R2, R2, R2 on controller two. (Doesnt work on kissing level)

All weapons:
While playing, hold L1 and press Up, Up, Up, Up on controller two.

Ammunition reloaded:
While playing, hold L1 and press Up, Up on controller two.

Toggle unlimited ammunition:
While playing, hold L1 and press Up, Down, Up, Down on controller two.

Extra money:
While playing, hold L1 and press Triangle, Square, Circle, X on controller two.

All gym grapple moves:
While playing, hold L1 and press Up, Left, Down, Down, Triangle, Square, X, X on controller two. (Will not appear on the stats screen)

All Hobo fighting moves:
While playing, hold L1 and press Up, Left, Down, Right, Triangle, Square, X, Circle on controller two. (Will not appear on the stats screen.)

Lock picking hint:
When starting to pick a lock make sure none of the teachers or prefects are sround, then when you start to pick the lock you will see the green arrows pointing left or right (DONT START FAST) go very slow while picking the lock, the first arrow will change quick then the second arrow will take two to three slow rotations of the thumb stick(but it wont take long),then the arrow will change one last time and you will have opened the lock. IF THIS DOSENT WORK CORRECTLY THE FIRST TIME THEN ROTATE THE THUMB STICK SLOWER.
(supplied by: unforgotten)

Get scooter in race:
In the mission Lolas Race, in chapter 3, to get an advantage on the other bikes you race grab a scooter before you race and park it near the marker were you start the mission. Then for some reason when the race starts you have a scooter instead.
(supplied by: lanksta48)

Dodgeball invincibility:
When playing dodge and you are a about to get hit with the ball quickly press L2 to bring up the help screen and the ball will just bounce off of you. Your player will not be out and now you have the ball which allows you to attack.
(supplied by: vale_cheater)

Lose Heat:
To lose all your heat when being chased by cops, just run into a shop/building. The cops won’t follow and you can stand around until your heat drops.
(supplied by: Axe)

Radio Transistor Locations:
*It doesn’t matter if its not in order
1st Roof in the Greasers territory (Auto-Shop Rooftop)
2nd Boiler Room
3rd In the bullworth Town Left side T-SHIRT ICON and right side of the come hither store.jump across the fence. (usually a Hobo ask an Errand finding his medication)
4th Before entering the window (Mission The Tenements)
5th Bullworth Dam
6th In the Nerd Challenge,check the room
(supplied by: zeroxz)

Uppercut (hold Square):
Find transistor 1 and bring to the hobo.

Leg Sweep (Square, hold Square):
Find transistor 2 and bring to the hobo.

Side Kick (Square, Square, hold Square):
Find transistor 3 and bring to the hobo.

5 punch combo (Square, Square, Square, Square, Square):
Find transistor 4 and bring to the hobo.

Roundhouse kick (Square, Square, Square, hold Square):
Find transistor 5 and bring to the hobo.

Overhead punch (Square, Square, Square, Square, hold Square):
Find transistor 6 and bring to the hobo.
(supplied by: zeroxz)

English Test Guide:
ENGLISH 4: Crayon, Ray, Con, Nay, Coy, Cay, Yarn, Corn, Acorn, Nor, Car, Cry, Can, Arc, Cyan, Cran, Rn, Oar, Oran, Corny.
ENGLISH 5: Dagger, Ear, Gag, Red, Rad, Egg, Gage, Rag, Dare, Dag, Era, Are, Egad, Gear, Grade, Drag, Rage, Age, Aged, Dear.

Originally from CheatHappens