If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Collect goodies while you're jumping to earn more points. Goodies give you lots of energy and make you jump higher. Be careful not to land on your head or it's game over for you! Don't let mom catch you jumping on the couch, land feet first beside the couch.
Left / Right Arrow Keys - Move.
Spacebar - Jump.
E - Splits.
W - Cannonball.