Super Smash Bros. Ultimate

Super Smash Bros. Ultimate is the upcoming sixth Super Smash Bros. game, which is set to be released for the Nintendo Switch on December 7, 2018.

Characters
It was announced that all characters that ever appeared in the previous Super Smash Bros. games return. In addition only two new characters have been announced: Inkling (Girl/Boy variants) and Ridley.

NEWCOMERS Inklings Ridley

Stages
It was announced that all stages would have a Battlefield form and Omega form.

New

 * Great Plateau Tower
 * Moray Towers

Returning

 * Battlefield
 * Big Blue
 * Final Destination
 * Frigate Orpheon
 * Green Hill Zone
 * Lylat Cruise
 * Onett
 * Princess Peach's Castle
 * Shadow Moses Island
 * Spirit Train
 * Tortimer Island
 * Wrecking Crew
 * Yoshi's Story

New

 * Rodin (Bayonetta)
 * Squid Sisters (Splatoon)

Returning

 * Andross
 * Bomberman
 * Ghosts
 * Jeff
 * Knuckle Joe
 * Lyn
 * Nintendogs
 * Metroid
 * Riki
 * Waluigi

New

 * Launch Star
 * Fake Smash Ball

Returning

 * Dragoon
 * Green Shell
 * Fire Flower
 * Maxim Tomato

Development

 * The game was first revealed on March 8, 2018, at the end of a Nintendo Direct with no word from Masahiro Sakurai or anybody else linked to the Super Smash Bros. series.
 * The teaser trailer released during the Nintendo Direct introduced the Inklings and showed Mario and Link's renders in the shadowy flares, along with a group of several other unidentified characters.
 * The most noticeable silhouettes are possibly Yoshi, Pit, Donkey Kong, Peach, Ness, Marth, Pikachu, Kirby, Sheik, Samus, Zelda, Fox, Captain Falcon, Bowser, and Wario.
 * Masahiro Sakurai tweeted that he was working on the new Super Smash Bros. for the Switch silently every day, and more info will be released soon.
 * On June 12, 2018, during E3, Nintendo had a video presentation that included more information on the game including the announcement that Ridley would be a playable character.
 * In addition, a Super Smash Bros. Invitational tournament for this game will be held on the same day, following the Splatoon 2 World Championship finals.

Trivia

 * Super Smash Bros. Ultimate is the only game in the series not to receive any character cuts.