Bonus characters
Accomplish the following tasks to unlock the corresponding character.
Boy
Complete "Extreme 02" with the best time.
Racer
Complete "Alpine" with the best time.
Alien
Complete "Snowboard park" with the best stunt score.
Skinhead
Complete "Half Pipe" with the best stunt score.
More bonus characters
Enable the bonus characters Boy, Racer, Alien, and Skinhead. Complete "Extreme 02", "Alpine", "Skateboard", and "Half Pipe" with the best time. Then, complete any single course with the eight regular and bonus characters. Finally, use one of the following procedures to unlock the corresponding character.
Girl with glasses
Hold [L] while selecting "Boy".
Dog
Hold [L] while selecting "Skinhead".
Buggy Car
Hold [L] while selecting "Racer".
Space ship
Hold [L] while selecting "Alien".
Lolita
Hold [R] while selecting "Boy".
Penguin
Hold [R] while selecting "Skinhead".
Pera
Hold [R] while selecting "Racer".
Saturn
Hold [L] + [R] while selecting "Boy".
Bonus courses
Enable the bonus characters Boy, Racer, Alien, and Skinhead. Then, complete any single course with the eight regular and bonus characters. Finally, use one of the following procedures to unlock the corresponding course.
Asteroids
Hold [L] + [R] and select the "Extreme 00" course.
Space Colony
Hold [L] + [R] and select the "Extreme 01" course.
South Pole
Hold [L] + [R] and select the "Extreme 02" course.
Space Grid
Hold [L] + [R] and select the "Extreme 03" course.
Select time of day
Enter the options screen and disable "Time Progress". Select a character, than quickly enter one of the following codes before the phrase "Now Loading" appears. Release the buttons when game play starts.
Morning
Hold [Z] + [Left] + [A].
Evening
Hold [Z] + [Right] + [A].
Night
Hold [Z] + [Down] + [A].
Bonus mini-game
Hold [X] + [Y] + [Z] + [L] + [R] + [B] + [C], select "Option", then "Exit", and press [A] to start the Steep Slope Shooters mini-game.
Alternate costumes
Hold [X] + [Y] + [Z] and press [A] or [C] to select a racer on the character selection screen. Alternatively, highlight a character and hold [Z] + [Down] + [A] (in order).
Control text
Enter the sound test option and select sound "9" and effect "8". Press [A] to start, then use the D-Pad to control the text and [L] or [R] to control the display speed.