[LEFT KEY] Move left. [RIGHT KEY] Move right. [UP KEY] Jump. [DOWN KEY] Slam down. Also, you can flip in midair by holding either left key or right key.
Thanks to Griffpatch! -When you are going fast enough, you will get a nitro score thing. -When you are falling fast enough, you will also get a score boost. -Same with flips, forward or backward. [2/15/18] - Minor change, added some more terrain to the right for fun.