Acheron WorldNew
Free-to-play MU Online Season 6 server that runs in the web browser on PC, phone and tablet, with guild wars, territories, a ranked arena and flying fire wings.
Private Servers Ranked By Player Votes
Free-to-play MU Online Season 6 server that runs in the web browser on PC, phone and tablet, with guild wars, territories, a ranked arena and flying fire wings.
MU Online Season 6 Episode 3 Original+ with the Molten x100 PvP realm and an Inferno x1200 realm, playable on Windows and Android, with no pay-to-win.
Custom MU Online Season 6 server at x6 with a 30 reset cap, no web shop and no pay-to-win, custom bosses, invasions and events, a stage system and an Android client.
Classic MU Online 0.97 server playable on PC and Android in one shared world with one account, fair play with no pay-to-win, Blood Castle and Devil Square.
AvroraMU is a custom MU Online Season 6 server with dynamic 200x experience, reset level 400, small parties and guilds, playable on Windows and Android.
Black-Mu is a full PvP MU Online Season 6 server with x500 experience (x700 VIP), clan migration with a welcome pack, PvP events, clan wars and no pay-to-win.
OpenMU is a Brazilian MU Online Season 6 Episode 3 server with 20x experience that runs in the browser with no download, on PC, Mac, Linux and mobile.
Mu Veyra is a MU Online server you play in the browser with the full 3D client on PC, phone or tablet, with no download, dynamic x100 experience, drop 30 and resets at 400.
Cross-platform MU Online Season 6 Episode 5 progressive server playable on PC, web browser and Android, with reset at 400, a consumables-only shop and 6-hour off helper.
MU Online 0.97k played in a browser on PC or phone with no download. One Hard x30 realm with a 70% item drop, Blood Castle, Devil Square and invasions. Now in test mode.
MU Online Season 22 server with x9999 EXP, all 16 classes and an unlocked high-FPS HD client for Windows and Android. Grand opening 23 November 2026 at 19:00 UTC.
Listing is free. Players vote every 12 hours, and you can reward each vote in-game.
Every MU Online private server on this page is ranked by the votes players give it this month. Open a server to see its version, rates and website, vote for the one you play, and come back after the reset on the 1st of each month to see who climbs to the top.
Versions on this list: Season 6, Season 21, S6 Ep3, Season 6 Ep 3, Season 3, S3 Ep1, Custom, Season 2.