Swapnote (series)

The Swapnote series, known as Nintendo Letter Box in PAL regions, is a series of messaging application made by Nintendo hosted by a Mii called Nikki and her friends.

A Japanese-exclusive game called Nikki no Tabisuru Quiz was also released via Club Nintendo.

Games

Swapnote
Nintendo 3DS, (2011)

Nikki no Tabisuru Quiz
Nintendo 3DS, (2015)

Swapdoodle
Nintendo 3DS (2016)

Spin-offs

These are entries in the series that aren't directly a part of the series but still have enough similarities and links to the Swapnote series to be considered spin-offs

Nintendo Badge Arcade
Nintendo 3DS, (2014)