Earthworm Jim is a platform video game developed for the Game Boy Advance. Players control Jim, an earthworm who evolves into a heroic figure after donning a powerful space suit. As Jim navigates diverse levels, he battles enemies and confronts the villainous Queen Slug-for-a-Butt and Psy-Crow. The game features humor and a mix of action and adventure, appealing to a wide range of players.
A crow is chasing a worm named Jim while in outer space Psy-Crow is chasing a renegade ship. The ship's captain has stolen an ultra-high-tech-indestructible-super-space-cyber-suit and Queen Slug-for-a-Butt has ordered Psy-Crow to get it, since it can make her more beautiful than Princess-What's-Her-Name. Psy-Crow blasts the captain and the suit falls to Planet Earth.
Back on earth Jim wonders if he is finally safe when an ultra-high-tech-indestructible-super-space-cyber-suit lands on him. Luckily Jim rests in the neck ring of the suit. Then the space particles begin interacting with Jim, causing a light-speed evolution. Jim soon realizes he is in control of the suit.
Jim overhears the Queen's plans for the suit and decides to meet this Princess...