In the options menu you can choose between mouse controls and keyboard controls the ARROW KEYS. Use SPACEBAR to pause and resume the game. Each track has 5 checkpoints. Time is added to clock at each checkpoint. Race ends if you run out of time early. You can retry each track unlimited times. At each checkpoint you score a bonus depending on your rank and remaining time. You can submit your high score any time you want. Submitting will finish the game. Unicorn Rider is a classic game, available on www.flash-game.net. Good luck!