Get Mystery Rider:
 To get Mystery Rider beat all the tracks on easy 
 mode then he will sometimes be choosable.P.S the 
 Mystery Rider is Plankton from the T.V. show 


 Turbo Boost:
 At the beginning of a race, when it's on 3, hold down the up button on your
 keyboard and you should get a boost.


 Hidden Racers:
 If you beat the game 3 times you can get 5 new racers.
 You can get Phli and Lil from the rugrats, Sid from Hey Arnold, Doug from
 Doug and Otto from Rocket Power.