Thin skater
Pause the game, then hold L1 and press X(4), Square, X(4), Square, X(4), Square to make your skater more thin. If you entered the code correctly, the pause screen will shake. Note: This code may be entered multiple times to continue making your skater more thin.
Big head mode
Pause the game, then hold L1 and press Up, Circle, Down. If you entered the code correctly, the pause screen will shake. Enter the code again to disable it. Alternatively, successfully complete career mode by completing all goals and getting all gold medals with Andrew Reynolds to unlock big head mode on the cheat menu.
Turbo mode
Pause the game, then hold L1 and press Left, Up, Square, Triangle. If you entered the code correctly, the pause screen will shake. Enter the code again to disable it.
Play as Wolverine
Get all the gaps in each of the regular levels in career mode to unlock Wolverine.
Play as Officer Dick
Complete career mode by completing all goals and getting all gold medals with a custom created skater to unlock Officer Dick.
Special meter always full
Complete career mode by completing all goals and getting all gold medals with Rune Glifberg to unlock special meter always full on the cheat menu.
Perfect balance
Complete career mode by completing all goals and getting all gold medals with Rodney Mullen to unlock perfect balance on the cheat menu.
Skip to restart
Complete career mode by completing all goals and getting all gold medals with Tony Hawk to unlock skip to restart on the cheat menu.
Smooth mode
Complete career mode by completing all goals and getting all gold medals with Elisa Steamer to unlock smooth mode on the cheat menu.
Stud mode
Complete career mode by completing all goals and getting all gold medals with Kareem Campbell to unlock stud mode on the cheat menu.
Sim mode
Complete career mode by completing all goals and getting all gold medals with Geoff Rowley to unlock sim mode on the cheat menu.
Weight mode
Complete career mode by completing all goals and getting all gold medals with Eric Koston to unlock weight mode on the cheat menu.
Wire frame mode
Complete career mode by completing all goals and getting all gold medals with Bucky Lasek to unlock wire frame mode on the cheat menu.
Slow nic mode
Complete career mode by completing all goals and getting all gold medals with Chad Muska to unlock slow nic mode on the cheat menu.
Moon Physics
Pause the game, Then hold L1 and press: Right, Up, Down, X, Up, Down, X, Square.
How To Unlock Everything
This code can be done by going to career mode, then pause the game during game play then hold L2, L1, R1 and R2 then you just press all the directional buttons.