Taito Corporation on X: "New DLC coming to Groove Coaster Wai Wai Party next week (Oct 1st)! Hit songs and VTubers are on the menu this time 🎶 Don't forget the #Undertale
Groove Coaster: Wai Wai Party!!!! announced for Switch - Gematsu
GROOVE COASTER WAI WAI PARTY!!!! for Nintendo Switch - Nintendo Official Site
Groove Coaster Wai Wai Party!!!! Review (Switch eShop) | Nintendo Life