At thr main menu, enter the following codes to unlock these cheats
ALL CIRCUIT TRACKS: Press Down, R1, R1,R1, R2,R2,R2, Square
DRIFT PHYSICS: Press R1, UP, UP, Up, Down, Down, Down, L1
PlayStation 2 cheat

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CODE and CHEATS PLAYSTATION 2 Grand Theft Auto 3 ALL WEAPONS: Press R2,R2,L1,Left,Down,Up,Left,Down,Right,Up BATTLESTAR GALACTICA: Picture 7: Press Right,Right,Up,Up,Left,Left,Up,Up Aliens VS. Predator:Extinction CHEAT MENU: Pause the game and then Press R1,R1,L1,R1,L1,L1,R1,L1,R1.R1,L1,R1,L1,L1,R1,L1, While still in the pause menue, Select Options and then choose cheates. If you enterd the code correctly, various cheats, will be available. NEED FOR SPEED UNDERGROUND: Drift Physics: Press R1,Up,Up,Up,Down,Down,Down,L1 ------------------------------------------------------------------------------ GAME BOY ADVANCE Rayman Advance: Refill Health: Press L.Down,Left,Up,Down,R Invincibility: Press Right,Up,Right,Left,Right,R YU-GI-OH! DESTINY BOARD GAME: Yami Yugi: Press R,Left,B,Right,Simultaneously, Press Up and R And then Press Right,Down,A ----------------------------------------------------------------------------------------