2) The game features the first multiplayer system in the Super Mario 3D series.
3) Super Mario 3D World features a special game to pay homage to the Year of Luigi. It is a special event held in 2013 to celebrate the 30 years of Luigi from the Mario series.
4) To play the special game Luigi Bros., one must beat the game once and click the 8-bit icon of Luigi on the bottom left corner of the screen.
5) Luigi Bros. is actually a remake of the classic Mario Bros. for Nintendo Entertainment System (NES). Since this game is a special tribute to the Year of Luigi, players will not be able to play Mario anymore but Luigi alone.
6) The game official soundtrack (OST) is performed by Super Mario 3D World Big Band but it's original copy are only available to the members of the Club Nintendo in Japan.
7) Super Mario 3D World was released in North American region together with Mario Party Island Tour and The Legend of Zelda: A Link Between Worlds.
8) Did you know that the game was released in Japan in November 21, 2013, just a day before it was released in North America and Europe?
9) If a player has a New Super Luigi U saved data he can access the Luigi Bros. game without beating the main game once.
10) Hisstocrat is the second boss that the party will encounter in World 3. He is a big snake clad in royal cape and with a golden crown on his head. His name is a pun for the word "hiss", which is a sound made by serpents, and "aristocrat."
11) The character design of Hisstocrat is probably inspired from the 8-headed serpent of Koshi that was slain by Susanoo, the Shinto god of the storm.
