Suika game local multiplayer DLC was announced just today. Apparently it was released at the same time because...
https://www.youtube.com/watch?v=ezsEVU6KnCk
Sudden Suika multiplayer stream with FuwaMoco!
https://imgur.com/a/FU9H8 - https://i.imgur.com/ZkQRDsR.png - https://i.imgur.com/2x2gtgP.jpg