LE-2001 truck
Note: This game is also titled Buggy Heat.
Press Y, X, Right, Left, Right, Left, Down, Down, Up, Up at the
mode selection screen. Alternately, successfully complete expert
mode in first place using the Coyote.
T4 fighter jet
Press Left, Right, Down, X(4) at the mode selection screen.
Alternately, achieve 100% on the level checker when building your
car.
Additional colors
Press Down, Left, Up, Right, X, Y, L, R at the mode selection
screen to unlock a fourth color set. Alternately, successfully
complete expert mode.
Random weather in time attack mode
Press R, X(7), Y(7) at the mode selection screen.
Super expert mode
Press Left, Left, Right, Right, Left, Right, X, Y(8) at the mode
selection screen. Alternately, successfully complete expert mode
under the championship difficulty using the Beelzebub
Buggy.
Beelzebub Buggy
Successfully complete expert mode in first place.
Quick start
Accelerate as soon as "Go" is announced during the pre-race
countdown.
Super reverse cyclone
Unlock the fighter jet, then go into the practice area. Go off
course, then go in reverse. If done correctly, the game should
start going in one direction by itself. Press Analog-stick
Down/Right and eventually you will begin doing a super reverse
cyclone.