Note: this is not a definitive list, just what I think about how canon the different games that feature Miis are. It's also worth pointing out that this only counts Nintendo published games.
Mainline[]
These games all have Wii in the name.
- Wii Sports
- Wii Play
- Wii Fit
- Wii Chess
- Wii Music
- Wii Sports Resort
- Wii Fit Plus
- Wii Party
- Wii Play Motion
- Wii Party U
- Wii Fit U
- Wii Sports club
Secondary[]
You can only Play as Miis in Secondary.This also has subseries.
Tomodachi/Miitopia[]
- Tomodachi Collection
- Tomodachi Life
- Miitomo
- Miitopia
Tertiary[]
This category Stars Miis as main characters, but are tied up in licenses/Other series
- Big Brain Academy: Wii Degree
- Personal trainer: Walking
- NHK Kōhaku Quiz Gassen
- And-Kensaku
- StreetPass Mii Plaza
- Pilotwings Resort
- Nintendo Land
- Wiii Karaoke U by Joysound
Quaternary (all other games)[]
This is all other Nintendo Published games that feature Miis. I am not going to list them, as I don't think they count at all in the 'Wii' Series.