All Tracks, Ships, And Difficulty Levels
At the mode selection screen, press L, Z, R, C-Up, C-Down, C-Left, C-Right, Start. If you entered the code correctly, you will hear the sound of a chime.
At the ship selection screen, hold L + R + C-Up + C-Down + C-Left + C-Right.
At the ship selection screen, hold L + R + Z + C-Up + C-Down + C-Left + C-Right.
At the statistics screen, select a ship and then press R or Z.
Joker Cup Tracks
Win the Jack, Queen and King Cups on the "Standard" difficulty level. Then, a Joker Cup, with six bonus tracks, will be available for game play.
Win the Jack, Queen, King, and Joker Cups on the "Expert" difficulty level. The X-Cup is a group of six tracks that are randomly generated.
Master Difficulty Level
Win the Jack, Queen, King, and Joker Cups on all three difficulty levels.
View Lead Time
During a GP race, press L to view the time between the your racer and the lead (if not already in first place), or between your racer and the closest competitor (if already in first place).
During a race, press Z + R to spin your ship. This causes other ships to explode when they collide with your ship. This technique is especially useful in battle mode.
At the customization screen, select a ship and then press C-Up, C-Down, C-Left, or C-Right to view your ship from various positions.
At the track selection screen, press C-Up, C-Down, C-Left, or C-Right.