tetris11Anon enjoys island life
What MMO has you “join[ing] the closest game”
I don’t keep up MMOs anymore, but i know GuildWars2 the game is divided in areas and each area can have multiple instances, much like a room would work on that context. Perhaps they played a similar game with extra information to choose the best room for you.
Or it’s the looser definition that’s sort of taken hold over the years to mean any multiplayer game