When on the final screen, just before you select to practice, qualify or race, press and HOLD DOWN SELECT while typing in the following cheats (using the relevant buttons on the joypad: T = Triangle, O = Circle, X = X, S = Square, U = Up, R = Right, D = Down, L = Left).

• LOUDDROSS - Murray talks complete jibberish
  
• SOUR ROX - Lava flows, complete with fiery car trails
  
• RUT LUST - Buggy Mode
  
• DUO TRUST - Mini Big-wheel Motorbikes
  
• TOROTORO - Spanish commentary
  
• ODD SOX - German Commentary
  
• O SOLO UO - Italian Commentary
  
• STOUT DOOD - English Commentary
  
• LOOT TOUR - Bonus Circuit - NB You have to enter this code, then go into a game, and quit. When you return to the menu screens, the circuit will be selectable from the menus.
  
• TOXS URDL - Press all the buttons right (clockwise) and left (ditto) whilst holding select to get the amazing roving camera! This camera will go anywhere on the track, above and even below!

To reach the bonus track (BIZARRE) you must race all 17 rounds in championship mode and place first, second, or third in the championship.