Disable opponent AI:
Press Left(2), Down, B while the game is loading and you can read your “mission”. The message “Kill AI” will appear in the bottom right corner to confirm correct code entry. Alternately, press Left(2), A.
Jumping car:
Press Left, Right, Up, B while the game is loading and you can read your “mission”. The message “Jumps” will appear in the bottom right corner to confirm correct code entry. Press Y during game play to jump. Alternately, press Y, Left, Right, A.
Master code:
Press Up, Down, Left, Right while the game is loading and you can read your “mission”. A message will appear in the bottom right corner to confirm correct code entry. All secret options will be unlocked. Alternately, press Up, Down, Left, Right, A.
No nitros:
Press Right, Left(2), A while the game is loading and you can read your “mission”.
Opponents only attack you:
Press Down, Up, Right, B while the game is loading and you can read your “mission”. The message “Bot Gang Up” will appear in the bottom right corner to confirm correct code entry. Alternately, press Down, Up, A.
Unlimited nitros:
Press Right, Left, Down, B while the game is loading and you can read your “mission”. The message “Infinite Nitros” will appear in the bottom right corner to confirm correct code entry. Alternately, press Right, Left, A.