SpongeBob SquarePants: Rocket Blast is a Physics Games game. You can play SpongeBob SquarePants: Rocket Blast in your browser for free. Spongebob is heading to the moon. He was put in a rocket and is firing himself toward the sky. In order to reach the moon, SpongeBob needs to be as highest as possible and stay in the air as long as possible. Use the gun to hit SpongeBob for the extra jump.