Items to collect :
Box with question mark - Hit it to obtain an item.
Green mushroom - Extra 25 coins
Red mushroom - Temporary speed up.
Star - Hit an opponent while using it to make them dizzy.
Feather - Fly (holding W key.)
Coin - One extra point.
Flower - Fire at the foes to make them dizzy.
Controls:
Drive forward:
D key.
Drive backward:
A key.
Jump / Fly:
W key.
Brake:
S key.
Booster:
Q key.
Use item:
Space bar key.