In a surprising turn of events, Groove Coaster Wai Wai Party is now in available. The rhythm music game offers a variety of songs as well as options for both single- and multiplayer. The game costs €59.99, and takes up 1.5GB of space.
In addition to the game, all the downloadable content is available as well. The Undertale, Vocaloid, Touhou Arrangements and Dempagumi packs are available for €14.99 each.