At the main menu, press L1, L2, R1, R2, Circle, Square to unlock all cars.
All tracks
At the main menu, press L1, R1, R2, Square, Circle to unlock all tracks.
Big Rock
Win Gold Cup.
Concept 3000
Beat Target Time On Every Reverse Track In Time Trial.
Drive Faster
Your car will go faster if you drive in reverse. At the start of each race, quickly turn around and start driving in reverse. You will be behind, but can quickly catch up and win.
Fire Backwards
Hold R2 then hold Down while racing and fire. Press Up to fire bouncing bombs forward.
Jungle Ranger
Win Silver Cup.
Kill Butterflies
At the start screen, eject the game disc. The butterflies will fall to the grass. Note: You will lose all unsaved information.
Lunar Loader
Win Bronze Reverse Cup.
Quick start
Press X immediately when "Go" appears during the pre-race countdown.
Sarge
Win Gold Reverse Cup.
Skull Duggery
Win Platinum Reverse Cup.
Star Attacks
Almost all new cars have star attacks.
Lunar Loader: Shoots blue lasers (6 to 11).
The Corporal: Shoots cannon balls that makes shockwaves (1 to 30).
Skull Diggury: Purple Shockwave that makes opponent move to the end rail (1).
Big Rock: Drops rocks from the back (1-3).
Concept 3000: Boost lasts longer and faster (1 to 3, rarely).
The Corporal
Win Bronze Cup.
UFO
Beat Target Time On Every Normal Track In Time Trial.