Industry insider Marcus Sellars have come out and claimed that a brand new Mario Party Game being developed for the Switch
ND Cube are developing Mario Party 11 for the Nintendo Switch and is scheduled for release in 2019.
The Game will be developed by the studio (ND Cube) that worked on Wii Party, Wii Party U, Animal Crossing: Amiibo Festival and the last entries of Mario Party franchise (9 for Wii, 10 for Wii U, Island Tour for 3ds, Star Rush for 3ds and the Top 100 for 3ds).
(=^・ω・^=) Kuroneko S2 - Ore no Imouto - Steam, MyAnimeList and Twitter - PSN: Gustavo_Valim - Switch FC: 6390-8693-0129 (=^・ω・^=)