StreetPass Mii Plaza (universe)

The StreetPass Mii Plaza universe (, StreetPass Mii Plaza) is a pre-installed application on the Nintendo 3DS line of systems that includes a number of minigames which can be played using the player's Mii.

Two minigames are initially included:  and Find Mii (StreetPass Quest). 11 additional games were added in later updates, which must be purchased in order to be played: Mii Force (StreetPass Squad), Flower Town (StreetPass Garden), Warrior's Way (StreetPass Battle), Monster Manor (StreetPass Mansion), Ultimate Angler (StreetPass Fishing), Battleground Z (StreetPass Zombies), Slot Car Rivals (StreetPass Slot Racer), Market Crashers (StreetPass Trader), Feed Mii (StreetPass Chef), Mii Trek (StreetPass Explorers) and Ninja Launcher (StreetPass Ninja).

Feed Mii
Feed Mii (, Sakutto! Hero Cafeteria) is a cooking simulation game available in StreetPass Mii Plaza, set in the same universe as Find Mii, where the player's Mii cooks various kinds of food in order to feed heroes aiming to save the Monarch, which are Miis encountered via StreetPass. The Miis will give the player some ingredients to cook the desired food, and the better the result, the better the Miis do in battle with monsters.

Crispin, the player's assistant, appears as a spirit in Super Smash Bros. Ultimate.

Find Mii
Find Mii (, StreetPass Legend), known as StreetPass Quest in PAL regions, refers to all characters, stages, and items that hail from StreetPass Mii Plaza's series of two StreetPass-powered RPG-esque games Find Mii and Find Mii II, in which the player controls the Mii characters of players that have been tagged via StreetPass, known as Heroes in-game, to battle monsters in order to save the King or Queen, represented by the Mii of the player, and the identical Prince and Princess in Find Mii II. Mii-like dogs or cats, depending on the player's preference, can also purchased via Play Coins and are known as Wandering Heroes. There is also a concept in Find Mii II called "Hire Old Allies". This allows players to hire higher level heroes of specific colors, which is useful for rooms that require Miis of a specific color to advance. The rewards for the game are hats that the player's Mii can wear in StreetPass Mii Plaza. There are also various potions in the game that aid in the player's quest.

The stage Find Mii is based on this sub-game, while the Dark Emperor appears as a stage boss.

Flower Town
Flower Town (, StreetPass Garden) is a garden simulation game available in StreetPass Mii Plaza where the player's Mii aims to grow 80 species of plants by having their flowers watered by Miis encountered via StreetPass, with 20 unique plants earning them the rank of Master Gardener.

Mr. Mendel & Ms. Blossom appear as a shared trophy in Super Smash Bros. for Nintendo 3DS. The Master Gardener's Crown appears as headgear for Mii Fighters in Super Smash Bros. 4.

Mii Force
Mii Force (, StreetPass Shooting) is a shoot 'em up game available in StreetPass Mii Plaza about the player's Mii and their squad of other Miis tagged via StreetPass as they save the galaxy from the thieving Gold Bone Gang. The helmets worn by the Mii Force squad members can be equipped by Mii Fighters in Super Smash Bros. 4.

The Mii Force Captain and Gold Bone appear as trophies in Super Smash Bros. for Nintendo 3DS.

Gold Bone returns as a spirit in Super Smash Bros. Ultimate.

Monster Manor
Monster Manor (, StreetPass Labyrinth) is a puzzle RPG available in StreetPass Mii Plaza where the player's Mii creates rooms in a haunted mansion by laying out map pieces given to them by StreetPass-encountered players.

Iris Archwell, the player's sidekick, and Demon King Arzodius, the final boss, appear as trophies in Super Smash Bros. for Nintendo 3DS.

Iris Archwell returns as a spirit in Super Smash Bros. Ultimate.

Ninja Launcher
Ninja Launcher (, Sakutto! Cannon Ninja) is an action strategy game available in StreetPass Mii Plaza where the player must defeat several evil demons by being shot out of a cannon. However, the only way to do effective damage is to hit power-up scrolls tied to kites while being blasted, which are obtained by meeting several players via StreetPass. From there, the player must align the Miis so that the player Mii can be able to hit the scrolls.

Shinobu, the player's sidekick, appears as a spirit in Super Smash Bros. Ultimate.

Slot Car Rivals
Slot Car Rivals (, Sakutto! Slot Car) is a racing game available in StreetPass Mii Plaza where the player's Mii challenges opponents to slot car races.

Nico Fire, the manager of the Slot Car shop in the game, appears as a Spirit in Super Smash Bros. Ultimate.

Ultimate Angler
Ultimate Angler (, StreetPass Fishing) is a fishing simulation game available in StreetPass Mii Plaza where the player's Mii aims to catch 150 types of different fish and legendary creatures, with the help of Miis encountered via StreetPass, who will give the player some bait.

Coraline, the player's partner, appears as a spirit in Super Smash Bros. Ultimate.

Warrior's Way
Warrior's Way (, StreetPass Battle) is a battle simulation game available in StreetPass Mii Plaza about the player's Mii amassing armies by encountering other players via StreetPass to take over the world.

Wentworth, the player's assistant, and Fynalle, the final boss, both appear as trophies in Super Smash Bros. for Nintendo 3DS.

In Super Smash Bros. 4
The StreetPass Mii Plaza universe's first appearance in.

Stage (for Nintendo 3DS only)

 * FindMiiIconSSB4-3.pngFind Mii (Starter): the last level of Find Mii II (or StreetPass Quest II), the Castle of Darkness, appears as a stage in . The Dark Emperor appears as a stage hazard.

Enemy

 * A with a yellow shield appears as an enemy in Smash Run.

Original Tracks

 * : An arrangement of "Save the World, Heroes!" and "Keep Fighting, Heroes!" from Find Mii II.
 * : An arrangement of "Dark Lord", the theme of the Dark Lord and its upgraded form, the Dark Emperor.

Trophies

 * Ghosts (Find Mii) North America / Ghosts (StreetPass Quest) Europe
 * Iris Archwell North America / Ella Mentreee Europe
 * Demon King Arzodius
 * Wentworth
 * The Emperor North America / Fynalle Europe
 * Mii Force Captain North America / Mii Force Squad Leader Europe
 * Gold Bone North America / Robo-Bone Europe
 * Mr. Mendel & Ms. Blossom
 * Reaper General
 * Diamond Golem
 * Dark Emperor

In Super Smash Bros. Ultimate
The StreetPass Mii Plaza Universe returns for Ultimate, now considered a sub-universe of the universe.

Stage

 * SSBU-Find Mii.pngFind Mii (Starter): returns as a retro stage.

Hats

 * Devil Horns
 * Prince's Crown
 * Princess's Crown
 * Regal Crown
 * Floral Hat
 * Magic Hat
 * Top Hat
 * Lacy Headband
 * Hockey Mask

Original Track

 * : A medley including the title theme and "Fight On, Heroes!" from ', and the title theme and "Save the World, Heroes!" from '. Heard in the Mii Fighters' character trailer.

Returning Tracks

 * : An arrangement of "Save the World, Heroes!" and "Keep Fighting, Heroes!" from Find Mii II. Returns from Smash 4.
 * : An arrangement of "Dark Lord", the theme of the Dark Lord and its upgraded form, the Dark Emperor. Returns from Smash 4.

Spirits
The following characters from the series are spirits.

Trivia

 * Warrior's Way and Flower Town are the only StreetPass Mii Plaza games to be represented in Super Smash Bros. 4, but not in Ultimate.
 * Puzzle Swap, Battleground Z, Market Crashers, and Mii Trek are the only StreetPass Mii Plaza games that have not received representation in the Super Smash Bros. series.