Lego Batman 2: DC Super Heroes is a side-scrolling action game that features a vast array of DC Comics superheroes, including Batman, Robin, Superman, Wonder Woman, and many more. The game's storyline revolves around the villainous Lex Luthor, who has created a machine that can fuse different objects into one. The machine malfunctions, causing chaos in Gotham City and Metropolis. Players take control of Batman and Robin, switching between the two characters to solve puzzles, fight enemies, and progress through the story.