Bonus characters: A bonus
character will be unlocked after completing one of the following goals:
Earn an "A" rank on each level and track in "Street Work"
mode.
Earn a "S" rank on each level and track in "Street Work"
mode.
Complete each level and track in "Time Attack" mode within
the time limit.
Earn a "Perfect" rank on each level and track in "Coin"
mode.
Bonus boards: Unlock all four-bonus characters.
Then, press Up(2), Down(2),Left, Right, Left, Right, B, A at the board selection
screen.
The following four bonus boards will be available
Ika-Chu (Double jumps)
Father (Longer air time)
J-B (Press A + B for turbo jump)
J-Arm: (Extra turbos)