Play Mushroom Kingdom: Under Crimson Skies emulator game online in the highest quality available. Mushroom Kingdom: Under Crimson Skies is a Super Nintendo game that you can enjoy on Play Emulator. This SNES game is the US English version that works in all modern web browsers without downloading. Mushroom Kingdom: Under Crimson Skies is part of the Mario Games, Arcade Games, and Platform Games you can play here. PlayEmulator has many online retro games available including related games like Medal of Honor - Underground, Tony Hawk's Underground, and Hydro Thunder.