Cheats and Hints

Cheat Code Central
Cheat codes, secrets, and strategy guide.
http://www.cheatcc.com/gc/thps3.html

eLook
Summary of cheats and codes. (Game Boy Advance)
http://www.elook.org/games/cheats/gba/426.shtml

Level 80
Cheat codes for the PlayStation 2 version.
http://www.level80.co.uk/ps2tonyhawksproskater3.htm

Move List
Provides cheats, codes, list of tricks, and hints.
http://www.geocities.com/tonyhawksproskater3cheats/