Welcome to Dirt Bike! Here's is how to play. When you click on play you will be taken in a side-scroller level, use the accelerate the bike. press the back button to put on the brakes and put it in reverse. Left will make the bike lean forward, while the right key will make the bike lean back.
The objective of the game is to get to the end of the level without crashing into anything. If you crash into anything, you will be asked if you want to restart the level.