To adjust the color of your craft, press the R button while selecting you car to scroll through the available paint jobs.
Joker Cup
Clear the Jack, King, and Queen Cups on Expert Difficulty.
Larger Racers
At the ship selection screen:
Hold L + R + Z + C-Up + C-Down + C-Left + C-Right
Master Difficulty
Win the Jack, Queen, King, and Joker Cups on all three difficulties.
Rotate Car
You can examine whatever car you got by using the C-buttons to check out all your cool stuff on it.
See what you have beaten with each racer on each difficulty
On the car selection screen highlight a car and then press C-left (novice), C-right (expert), C-Up (master) or C-down (standard) to see an image of the trophies you have earnt for that difficulty.
Shrinking cars
At the screen where you select your racer, hold L+R and press C-left and C-down.
Stop vehicle rotating
To stop the vehicle rotating, in the colour and acceleration/speed change menu, simply press all 4 ''c'' buttons at once.
Unlock "Comic"
Complete Jack, Queen and King Cups on all difficulty levels.
Unlock "Mechanical Cutaway"
Complete Jack, Queen, King, and Joker Cups on all difficulty levels.
Unlock All Tracks, Vehicles and Difficulties
At the title screen, press start to get the mode select, and enter:
L-Shoulder, Z, R Shoulder, Up-C, Down-C, Left-C, Right-C, Start.
You should here a sound, not choose GP Race and a new difficulty will open up.
On the select course screen, a new set of random tracks called the X Cup are opened, and on the select machine scree, you now have access to every vehicle in the game.
Unlock more vehicles
To unlock more rows of vehicles, you must obtain a number of X marks on the cups. You get an X mark for each difficulty you clear a cup on (If you clear a higher difficulty before clearing a lower one, you will receive an X for all difficulties up to the one you cleared).
Code - Effect
2nd row of vehicles - 3 X marks
3rd row of vehicles - 6 X marks
4th row of vehicles - 9 X marks
5th row of vehicles - 12 X marks
