All cars and tracks
At the title screen, press B, A, Z(2), B, L, A, C-Up.
Bonus cars and tracks
Successfully complete any race in first place to unlock additional cars and tracks. The speed of the bonus cars and difficulty of the bonus tracks are determined by the difficulty of the track that was completed. Additionally, play the game in practice mode and locate the star in each level. Collect each star in all tracks (bronze, silver, gold and platinum) for each difficulty level to unlock the following cars: Ghengis Kar and Pole Pos (easy), R6 Turbo and NY 54 (medium), Mouse and Bertha Ballistics (hard), AMW and Toyeca (extreme).
Break the times in time trial challenge mode on all normal tracks in all circuits.
Break the times in time trial challenge mode on all reversed tracks in all circuits.
Mirrored reversed tracks
Break the times in time trial challenge mode on all mirrored tracks in all circuits.
Jump in multi-player mode
During a race in multi-player mode, press C-Up to jump.
During a race, press C-Up to get unstuck. For example, if you fall into the pool in Toytanic, press C-Up to stop and get out of the water. Press R when flipped over to get right side up.