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.

Smaller racers
At the ship selection screen, hold L + R + C-Up + C-Down + C-Left + C-Right.

Larger racers
At the ship selection screen, hold L + R + Z + C-Up + C-Down + C-Left + C-Right.

Alternate colors
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.

X-Cup tracks
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).

Spinning ship
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.

Ship preview
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.

Track preview
At the track selection screen, press C-Up, C-Down, C-Left, or C-Right.

Alternate title screen
Beat the game on the expert difficulty level to view the title screen in comic book-style. Beat the game on the master difficulty level to change the title screen again.