The base game includes a built-in "Online" mode that supports both random matchmaking and private rooms.

: Create a room specifically for friends. You will receive a Join Code to share with them.

Crossplay allows players on different hardware to play together, though there are some limitations: Crossplay is here! (Multiplayer with viewers #2)

: Every participant must own the specific song or Music Pack being played; if you don't own the song, you cannot participate in that round. 2. Cross-Platform Play