Although does not officially support online multiplayer, players have developed several highly effective workarounds to play with friends remotely. Officially, the game is designed strictly for local co-op only. Official Multiplayer Status
While developers have expressed interest in online functionality in the past, it has not been implemented as of 2026. Popular Workarounds for Online Play Cuphead online
By default, you can play as Cuphead and Mugman (or Ms. Chalice with the DLC) on the same system. Cuphead online
There is no official "online" menu or matchmaking within the game itself. Cuphead online