Big head mode
Pause the game, then hold L and press X, B, Up, Left(2), X, Right, Up, Left. If you entered the code correctly, the pause screen will shake. Alternately, successfully complete the game by completing all level objectives in career mode ten times.
Blood mode
Pause the game, then hold L and press Right, Up, X, Y to toggle blood mode. If you entered the code correctly, the pause screen will shake.
Cheat mode
Pause the game, then hold L and press A(3), X, Y, Up, Down, Left, Up, X, Y, A, Y, B, A, Y, B. If you entered the code correctly, the pause screen will shake. Then, select the "End Run" option from the pause menu. All cheats, levels, FMV seqences, McSqueeb, Officer Dick, and Spider-Man will be unlocked.
Chopper Drop: Hawaii level
Earn three gold medals with all characters.
Create Shaggy from Scooby Doo
Complextion: Type 2
Head: Brown Low Cut
Torso: Short Sleeve
Color: Green
Pants: Baggy anything (except Camo)
Color: Brown
Shoes: Anything Black
Disco mode
Successfully complete the game by completing all level objectives in career mode fourteen times.
Fat skater
Pause the game, then hold L and press A(4), Left, A(4), Left, A(4), Left to make your skater fat. 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 fat. Alternately, successfully complete the game by completing all level objectives in career mode seven times.
Flip level
Successfully complete the game by completing all level objectives in career mode fifteen times.
Kid mode
Successfully complete the game by completing all level objectives in career mode three times.
Moon physics
Successfully complete the game by completing all level objectives in career mode thirteen times.
Neversoft Bails FMV sequence
Earn a medal in every competition with any character.
Neversoft Makes FMV sequence
Earn three gold medals with Private Carrera.
Perfect balance
Successfully complete the game by completing all level objectives in career mode four times.
Play as Officer Dick
Successfully complete the game by completing all level objectives in career mode.
Play as Private Carrera
Get all the gaps in each of the regular levels in career mode.
Play as Spider-Man
Successfully complete the game by completing all level objectives in career mode with a created skater.
Skate Heaven level
Successfully complete the game by completing all level objectives in career mode with all of the original characters, Officer Dick, Spider-Man, and a custom skater.
Skip to restart
Successfully complete the game by completing all level objectives in career mode two times.
Slow-Nic mode
Successfully complete the game by completing all level objectives in career mode nine times.
Smooth mode
Successfully complete the game by completing all level objectives in career mode twelve times.
Special meter always full
Pause the game, then hold L and press A, Y, B(2), Up, Left, Y, X to always have a full special meter. If you entered the code correctly, the pause screen will shake. Alternately, successfully complete the game by completing all level objectives in career mode five times.
Thin skater
Pause the game, then hold L and press A(4), X, A(4), X, A(4), X 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. Alternately, successfully complete the game by completing all level objectives in career mode eleven times.
Turbo mode
Pause the game, then hold L and press Down, X, Y, Right, Up, B, Down, X, Y, Right, Up, B to increase the speed of the game by 25%. If you entered the code correctly, the pause screen will shake.
Use Manuals as trick Combo connector
When your on a rail and a rail is close but not close enough to jump to. Jump off the rail and go into a Manual (to get a multiplier and little more points) balance to the rail and jump on it. This is great for massive combos.
NOTE: An easy way to keep out with your Manuals is to raise your Manual stats.
Wire frame mode
Successfully complete the game by completing all level objectives in career mode eight times.