You fight your way out of the underworld, die, and do it again, which is weirdly more fun than it sounds.
Fun fact: First video game to win a Hugo Award, a prize normally reserved for science fiction literature.
A marine biologist made a cartoon about a sponge with a job and it's now the most quoted show alive.
Fun fact: The character was originally named SpongeBoy until a mop company was found to own the trademark.