Play X-Men Games on Emulator Online. We have the best X-Men games online for different retro emulators including GBA, Game Boy, SNES, Nintendo and Sega. There are over 17 online X-Men games in our collection. All of the games that you see here are without download, pick any and start playing right away. If you enjoy the game, be sure to vote for it and leave a comment. X-Men games that started it all back in the day are now playable free within your browser! Start by playing some of our popular X-Men online games like X-Men vs. Street Fighter, Spider-Man and X-Men - Arcade's Revenge, X-Men - Mutant Apocalypse and X-Men 2 - Clone Wars.