Super Mario Online

Super Mario Online is an online game created by P&F Games Inc. found on Nintendo's website. It utilizes the open-world gameplay of online games and uses it in the Mario universe.

Avatars
Avatars are created to be your very own Mario character. You can customize them with different body features, as well as different outfits.

Outfits

 * Mario
 * Luigi
 * Peach
 * Toad
 * Bowser
 * Yoshi
 * Daisy
 * Wario
 * Waluigi
 * Bowser Jr.
 * Donkey Kong
 * Diddy Kong
 * Rosalina
 * Birdo
 * Toadette
 * Dixie Kong
 * Funky Kong
 * Lakitu
 * Koopa Troopa
 * Shy Guy
 * Nabbit
 * Captain Toad
 * Larry Koopa
 * Roy Koopa
 * Wendy Koopa
 * Lemmy Koopa
 * Iggy Koopa
 * Morton Koopa
 * Ludwig Koopa
 * Metal Mario
 * Pink Gold Peach
 * Fire Mario
 * Ice Mario
 * Propeller Mario
 * Penguin Mario
 * Tanooki Mario
 * Bee Mario
 * Cloud Mario
 * Rock Mario
 * Cat Mario
 * Boomerang Mario
 * Squirrel Mario

Venues
There are different Mario venues to visit in the world. As of 2018, there are 16 different venues.
 * Mushroom Kingdom
 * Peach's Castle
 * Super Bell Hill
 * Acorn Plains
 * Bowser's Castle
 * Good Egg Galaxy
 * Fossil Falls
 * Yoshi's Island
 * Jungle Hijinx
 * Mario Circuit
 * Comet Observatory
 * Isle Delfino
 * Bob-omb Battlefield
 * Forest of Illusion
 * Ghost Valley
 * Starship Mario

BGM
Although the music does not pertain to the venues, there are 20 different themes (as of 2018) that rotate throughout gameplay.
 * Overworld from Super Mario Bros.
 * Overworld from Super Mario Bros. 2
 * Athletic from Super Mario Bros. 3
 * Overworld from Super Mario World
 * Peach's Castle from Super Mario 64
 * Bianco Hills from Super Mario Sunshine
 * Peach Beach from Mario Kart: Double Dash!!
 * Rogueport from Paper Mario: The Thousand-Year Door
 * Overworld from New Super Mario Bros.
 * Gateway Galaxy from Super Mario Galaxy
 * Wario's Gold Mine from Mario Kart Wii
 * Title from New Super Mario Bros. Wii
 * Starship Mario from Super Mario Galaxy 2
 * Beach from Super Mario 3D Land
 * Athletic from New Super Mario Bros. 2
 * Overworld from New Super Mario Bros. U
 * World 1 from Super Mario 3D World
 * Title from Super Mario Maker
 * Wireless Play from Mario Kart 8 Deluxe
 * Bonneton from Super Mario Odyssey