Mii Dimensions/Story Mode

The following page explains the Story Mode within Mii Dimensions. Within this mode, the player's Mii joins an expedition to study and explore the Lost Archive, only to release an protected, ancient corruption that has once plagued worlds for decades. In order to stop it from infecting Miis like previously, they must collect shards of 8 Topia Crystals, which had been scattered across dimensions when it was released, and return it to the Archives.
== Story ==
=== Prologue ===
The chapter starts with the player's Mii gathering resources from the Insect Dimension, but notices a strange human-like figure in the shadows as soon as they were about to leave. After returning to Cherry Acres, they receive an letter from a mii named Professor Gjorn, inviting them to an expedition in the Lost Archive to explore and study its deepest mysteries.
They head over and see a few other Miis that have invited to join the expedition, including Captain O. Zark and his new assistant, which is chosen by the player. After telling Gjorn you're ready, he starts the expedition and the group enters the underground Archives. Soon, they realize it's much bigger than they expected, and not just a crowded underground area.
As the group starts to split, a random Mii says he feels nervous about this expedition and gives the player a pendent they found before scuttling off. The player is able to explore the rest of the Archive until they reach a golden shrine holding seven crystals. Gjorn is astonished by the crystals and nearly reaches for them before the crystals scatter and a mysterious force is released.
After the substance escapes onto the surface, the group tries to recover from the damage caused and soon start to argue with Professor Gjorn. He claims that he didn't know the shrine contained it and explained it was a infection known as the Orark Curse. Then, O. Zark comes up and says in order to prevent it from spreading, they must gather lost Topia Crystals and return it to the shrine.
Somehow, all the Miis seem to agree despite him initially supporting the Professor. Then, the group heads to the laboratory that Gjorn works in for information about the Topia Crystals and where they're currently located, realizing that they have been shattered into shards while in the process of scattering.
One Mii suggests that they should split up to cover more territory on other dimensions. Soon, after preparing, the player's mii joins one of the teams, which are going for the green crystal, and the chapter ends.
== Gameplay ==
Mii Dimensions plays similar to the normal experience of Mii Dimensions, except slightly more linear as there are now levels within each dimension visited. After a chapter is unlocked and completed, the player can revisit and replay those levels anytime they want. There is also a secret level within each dimension that wields a key of the crystal's corresponding color. Collecting all the keys will result in the player getting the True Ending.