X-Men 2: The Clone Wars is a 1995 side-scrolling action-adventure platform game for the Sega Genesis. Developed by Headgames and published by Sega, it falls within the superhero genre and is based on the Marvel Comics characters, the X-Men. Players control various X-Men characters, each with unique abilities, in a battle against the techno-organic alien race, the Phalanx. The game features a mix of combat, platforming, and puzzles, allowing players to switch characters and use their mutant powers to progress. It's known for its challenging gameplay and faithful comic book aesthetic.