Quick start:
When "Go" appears at the Start of a race press Up+Gas as soon as possible.

Racer's clone:
Press Circle at the character selection screen.

Hidden FMV sequence:
Unlock all courses and characters.

Racers face:
Successfully complete any seasons.

Suicide Slide track:
Get first place in every race in Season one.

Play as Siba:
Get first place at the Suicide Slide track.

Lost City 2 track:
Get first place in every race in Season two.

Play as Greck:
Get first place at the Lost City 2 track.

Orbital Junction 2 track:
Get first place in every race in Season three.

Play as Crank:
Get first place at the Orbital Junction 2 track.