what is 20xx melee
28,785 pages on this wiki. Super Smash Bros. 20XX is a fan-game colloboration between Pyro Enterprizes, MeGa eXaL and Phazonworks and the 6th game in the series. Made for the Wii U console, this game is to feature the largest character roster of all time, as well as be the most diverse game in the series.8,785 pages on this wiki. Super Smash Bros. 20XX is a fan-game colloboration between Pyro Enterprizes, MeGa eXaL and Phazonworks and the 6th game in the series. Made for the Wii U console, this game is to feature the largest character roster of all time, as well as be the most diverse game in the series.