Arrow keys to move (down does nothing though) *Press up and right/left at the same time for longer jumps and press up and tap left/right for shorter ones* If you have died three times in one level, you can press up, right, down, left in order to skip the level.
Thank you @bigscratchers for basic physics Giant thank you to @Zygle for ideas, coding, and helping me troubleshoot. He basically did 50% of this.