Peak player hours are at 18:00 UTC on European servers and 3:00 UTC on North American servers.
If you are looking for players to play with or want to know when players are online join the RUNE Discord.
If you are having trouble getting the server list to load in-game see our guide: How to Fix the Rune Multiplayer Server List.
28 Servers Online
Masterserver list provided by 333Networks.