Manga Mania version of Mario was to celebrate the 25th Anniversary of the manga series, complete with a stage created by the manga's creator. release in 1985, something which the game itself acknowledges. Super Mario Maker's release date is two days before the anniversary of the original Super Mario Bros.Hey, It's That Sound!: The "Peaceful" sound effect (the one with the bird on the branch) previously appeared in WarioWare: Smooth Moves as the sound that plays during the "break time" intermissions after boss microgames.Just as well, Sonic Studio was made to be its own fanmade equivalent to the aforementioned level makers for the Classic Era of Sonic the Hedgehog. Follow the Leader: Mega Man Maker, a fanmade level maker which is to Mega Man as this is to Super Mario Bros.Fan Nickname: Because of Weird Mario's tall and leaner design, players call him Skinny Mario, Lanky Mario or Waluigi Mario.
While the 3DS version removed the Costume Mario powerup, the only remains are unused costumes of Roy, Ryu, and Rayman.
Some of these were later re-added into the game as full fledged Mystery Mushroom costumes, making them no longer unused. These references were removed from v1.01 onward (though some characters' sound effects exist unused). Saturn, a Muncher, Nabbit, the pink rabbit from Nintendo Badge Arcade, Popo, Tetris, and, apparently, the Microsoft Windows logo. Gadd, a Golden Retriever, Super Mario Bros.
The initial version of the game included references to unused Mystery Mushroom costumes: Baby Mario, Balloon Fight, E.