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 21 Part 2.3 server with x10 EXP and 10% drop, an optimized client, balanced PvP, guild wars, anti-hack and new content every season cycle.
MU Online Season 21 server with no resets, 10% drop and experience from x5 to x300 by level range, with a beta on September 2nd and launch on September 9th.
MU Online Season 6 server at 2500x EXP and 40% drop mixing nostalgia with new ideas: daily events, exclusive bosses, a smart progression system and a balanced economy.
Custom MU Online Season 6 server with level 400, master level 800, up to 300 resets and Master Reset, dynamic EXP from x200 to x10 and no pay-to-win.
WarDemenT is a Spanish-speaking MU Online Season 6 slow server with reset level 400, many events and invasions, and gameplay built around clans fighting for control.
Mu Latino is a MU Online Season 6 Episode 3 (1.04D) server with 5000x experience (9999x VIP), three servers, free Excellent items, free PcPoint wings and no account wipe since 2008.
MU Horizon is an Argentine MU Online Season 6 Episode 3 server for Latin America with dynamic x70 to x15 experience, a 50-reset cap, all 7 classes, Unique items and the Endless Tower.
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 Online Season 21 PvP server launched 14 October 2026, free to play with no pay-to-win, free Bloodangel gear for all and PvP from the first minute.
Mu The Matrix is a MU Online Season 21 Part 2-1 server online for 20 years, with custom resets, race builds such as EBK, EE and ARF, and a starter kit.
MU Online Season 22 server from Brazil running hard mode at 15x EXP, with a World Boss on random maps, PvP Arena, a daily Caravan event and several server-made systems. Pre-registration is open.
MU Online Season 22 server with a full client running at 240 FPS. Official launch is announced for November 25, 2026 at 6:00 PM Brasilia time.
MU Online Season 2.9 project from Brazil, no resets and hard progression: EXP 10x, level cap 1000, five classes, talent trees per class and 600 missions.
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.