Mega Man & Bass is a challenging side-scrolling action game originally released on the Super Famicom and later ported to GBA. Players can choose between two characters: Mega Man, who can charge his buster and slide, or Bass, who has a rapid-fire buster, double jump, and dash. The story follows their uneasy alliance to stop a robot rebellion led by King. The game features a unique branching level selection map and a database of 100 CDs to collect, which unlock lore about characters from the entire classic Mega Man series. It is known for its high difficulty and excellent boss battles.