Matt's Triple Tail Whip
when your special is up, jump of the highest half pipe you can find and then press down,down,right,circle and you will get an average of 6000 points but if you add some twist you'll be getting around 30,000 points keep doing this and you'll win any thing that the game throws at you!
(send by:Nathab Baker)

Get Warehouse Level
Score 600,000 points in one combo to get the warehouse level from tony hawk pro skater 2.
(send by:Monty)

Excorsist mode
Excorsists mode is when you use big tires mode get a 10,000 point combo and the rider"s head spins
(send by:Tommy Simcox)

10x multiplier
Pause the game, then hold L1 and press Square, Circle(2), Up, Down(2). Repeat the code to disable it.

10x divider
Pause the game, then hold L1 and press Up, Down, Up, Circle(2), Square. Repeat the code to disable it.

Perfect balance
Pause the game, then hold L1 and press Square, Left, Up, Right. Repeat the code to disable it.

Display balance status
Pause the game, then hold L1 and press Left, Circle, Square, Triangle, Square, Circle, X. Repeat the code to disable it.

Special always available
Pause the game, then hold L1 and press Left, Down, Triangle, Circle, Up, Left, Triangle, Square. Repeat the code to disable it.

Extra course time
Pause the game, then hold L1 and press Square, Up, Circle, X. Repeat the code to disable it.

Big tires
Pause the game, then hold L1 and press Down, Circle(2), Down. Repeat the code to disable it.

Play as Granny
Pause the game, then hold L1 and press Up, Square, X(2), Down, Circle. Alternately, retry a level in career mode ten times.

Play as Tony Hawk
Get all thirty covers and two gold medals in career mode with any character to unlock Tony Hawk on an old girls bike. Some of his moves are:

Decade Air: Press Left, Right, Circle.
Body Varial: Press Left, Right, Square.

Warehouse level from Tony Hawk's Pro Skater
Score a 200,000 combo without any codes activated. If done correctly, a message will confirm that the level has been unlocked.

Burnside level from Tony Hawk's Pro Skater
Get all thirty covers and two gold medals with all characters. If done correctly, a message will confirm that the level has been unlocked.

View rider's ending sequence
Win any type of medal in both competition levels with any rider to view the corresponding FMV sequence.

Grandma FMV sequence
Win any type of medal in both competition levels with Grandma.

Neversoft Bails FMV sequence
Win any type of medal in both competition levels with Tony Hawk