Super Marisa World (also stylized as SuperMarisaWorld and sometimes in katakana スーパーマリサワールド) is a Touhou Project fangame that is a platformer by Double Cluster. It stars Kirisame Marisa as the only playable character, along with Koakuma and Rumia as supporting characters throughout her adventure. The game is a parody to the popular SNES game Super Mario World (hence the name), but other Mario games are paid homage as well. Like many fangames, it's unknown if ZUN knows about this game.
