1-2-Switch is a party game published by Nintendo and developed by Nintendo Entertainment Planning & Development. The takes focus of the Joy-Con controllers.
While every minigame has a different way to play, they share the same core features. All of the games require you to look at your opponent's eyes. Most of them also use the HD Rumble and IR Motion Camera feature of the Joy-Con.
It was revealed at the Nintendo Switch Presentation 2017 during January 2017.
The reviews on 1-2-Switch were average.