- Nintendo playtesting mystery new Switch Online feature this month with up to 10K people Eurogamer
- Nintendo is taking applications to join a mysterious Switch Online playtest The Verge
- Nintendo is recruiting players to test a mystery “new feature” for Switch Online, and nobody has any clue what it is Gamesradar
- Nintendo Switch Online new feature closed playtest announced Gematsu
- Nintendo Opening Applications For Switch Online Playtesting To Expansion Pack Subscribers Nintendo World Report