SpongeBob is trying reach the surface of the ocean so he grab the stolen Krabby Patty formula. In order to the surface, SpongeBob must go up by using a fan. To activate the fan, press the spacebar and letting go of the spacebar stops the fan. While going up, be sure to avoid jellyfish and floating wood. Touching the wood or jellyfish causes SpongeBob to get hurt and you'll lose the game. If you see a Krabby Patty, grab it to score extra points. On the left side of the screen, there is a meter. The meter tells on how far SpongeBob is from the surface. The meter rises when you up and the meter decreases when you go down. The game ends when either when you get hurt or you reach the surface and grab the stolen Krabby Patty formula.