Players can mash together any characters they can think of to build the ultimatest dream crossover that would make even Capcom bow down to their uncontested game-making greatness. In general, Mugen is like a retarded 'Who would win in a fight between Character X and Character Y' debate in video game form. is the gaming phenomenon in which Marvel fanboys, Hentai lovers, 12 year olds and exiled Shoryuken posters attempt to put gaming companies out of business by ripping off their characters and using them to make their own fighting games.