Input the classic Konami Code: Up, Up, Down, Down, Left, Right, Left, Right, B, A during the title screen to unlock all of the Cool Stuff without having to beat the game with everyone.

Primarily known as The Simpsons Arcade Game, this 1991 delight stands out as one of the most entertaining beat 'em ups of its era, even if it is somewhat streamlined compared to other genre greats.