To unlock everything that this game has to offer, go to the main menu and press: Left, Up, Left, Left, B, Up, Left, Left, B, Y, Down, Up, B It should not make a sound, but look at the bikes and the difficulty "legend" should all be unlocked.
Submitted By Brad
Xbox
Player Unlocks
Alex Barros: By winning Challenge 9. Carlos Checa: By winning Challenge 7. Daijiro Kato: By winning Challenge 6. Garry McCoy: By winning Challenge 13. Hitomi Yoshino: By winning Challenge 85. Jack Slate: By winning Challenge 62. Jeremy McWilliams: By winning Challenge 20. John Hopkins: By winning Challenge 18. Jurgen Van Der Goorbergh: By winning Challenge 21. Kenny Roberts Jr.: By winning Challenge 5. Kevin Schwantz: By winning Challenge 12. Loris Capirossi: By winning Challenge 16. Max Biaggi: By winning Challenge 10. Mick Doohan: By winning Challenge 15. Nobuatsu Aoki: By winning Challenge 91. Norick Abe: By winning Challenge 4. Olivier Jacque: By winning Challenge 90. Pere Riba: By winning Challenge 17. Regis Laconi: By winning Challenge 19. Sete Gibernau: By winning Challenge 14. Shinya Nakano: By winning Challenge 11. Susumu Hori: By winning Challenge 1. Tetsuya Harada: By winning Challenge 3. Valentino Rossi: By winning Challenge 12. Wayne Gardner: By winning Challenge 87. Wayne Rainey: By winning Challenge 2.