Tony Hawk's Pro Skater (Dreamcast)
CheatingDome.com
All Stats to 10
Pause gameplay, hold L and press X, Y, Up, Down.
All Stats to 13
Pause gameplay, hold L and press A, X, X, Y, Up, Down.
Big Head Mode
Pause gameplay, hold L and press X, B, Up, Left, Left. Then return to the Character Selection screen.
Blood Mode
Pause gameplay, hold L and press Right, Up, X, Y.
Full Special
Pause gameplay, hold L and press X, Y, B, Down, Up, Right.
Level Select
Pause gameplay, hold L and press Y, Right, Up, X, Y, Left, Up, X, Y.
Private Carrera
While playing as Officer Dick, pause gameplay, hold L and press Y, Up, Y, Up, B, Up, Left, Y.
Random Start Locations
Pause gameplay, hold L and press X, B, A, Up, Down.
Slow Motion
Pause gameplay, hold L and press B, Right, Up, Down, B, Right, Up, X, Y.
Turbo Mode
Pause gameplay, hold L and press X, Left, Up, X, Left, X, Left, Up, X, Left.
Unlock Everything
Pause gameplay, hold L and press B, Right, Up, Down, B, Right, Up, X, Y.