alright as a standard for some turn based or slow trading game
neither very efficient nor suited for realtime
only in itself, it can be "temporarily solved" using an extension (like what Forgejo has for relations to Git, e.g. commits) for realtime, it could be something like how godot implements P2P multiplayer (over ICE/TURN/STUN) for federation between servers
Fediverse gaming: various links ( kbin.run )
Ideas for building a federated Roblox alternative...