MU Online Official

notice

• Maintenance

  [08:00 Open] Urgent Maintenance on July 9th, 2026 (revised)

  Greetings, There will be an urgent maintenance performed on all servers onJuly 9th,2026(UTC). Please refer to the following maintenance details. [Maintenance Schedule]06:30 ~ 08:00 (UTC) - 1 hour 30minutes We apologize for the imminent maintenance as it is required to stabilize servers. As a mai...

  7/9/2026
• Maintenance

  No Scheduled Maintenance on July 7th, 2026

  Dear Mutizens, Please be informed that regular maintenance will not take place on July 7th 2026. The next maintenance schedule will be announced through a separate notice. Thank you. MU Online Team

  7/3/2026
• Patch Note

  Patch Notes - June 30th, 2026

  Dear Mutizens, Please find the latest update details for MU Online on June 30th, 2026. ■ MU Online [Event Ends] 1. Golden Colossus Event 2. Maze of Dimensions League 3. 29th MU Season Pass Thank you. MU Support Team

  6/30/2026
• Maintenance

  [09:00 Open] Scheduled Maintenance on June 30th, 2026 (03:00~09:00 UTC)

  Dear Mutizens, There will be scheduled maintenance performed on all servers on June 30th, 2026 (UTC). Please refer to the following maintenance details. [Maintenance Schedule] 03:00 ~ 09:00 (UTC) - 6 hours * The first-half Windows update is scheduled to take place. * Rare Ticket 12 is sc...

  6/29/2026
• Announcement

  Mysterious Ranking Event Winner announcement (1st~3rd Week)

  Greetings, Mysterious Ranking Eventhas ended. First of all, thank you all forplaying MU Online and participating Mysterious Ranking Event. We happily announce the 1st~5th ranked players of total accumulated score. 2026 New Year Mysterious Ranking EventWinners Rank Name Points Reward 1s...

  6/26/2026
• Patch Note

  Patch Notes - June 23rd, 2026

  Dear Mutizens, Please find the latest update details for MU Online on June 23rd, 2026. ■ MU Online [Event Starts] 1. Elemental Change Event has started. 1) Elemental Change Event 2) Unequip Errtels with 100% Safety 3) EXP Boost & Monster HP Down 4) Pentagram Upgrade Event 5) Elemental Capsule ...

  6/23/2026
• Maintenance

  [09:00 Open] Scheduled Maintenance on June 23rd, 2026 (07:00~09:00 UTC)

  Dear Mutizens, There will be scheduled maintenance performed on all servers on June 23rd, 2026 (UTC). Please refer to the following maintenance details. [Maintenance Schedule] 07:00 ~ 09:00 (UTC) - 2 hours Thank you, MU Online Team.

  6/19/2026
• Patch Note

  Patch Notes - June 16th, 2026

  Dear Mutizens, Please find the latest update details for MU Online on June 16th, 2026. ■ MU Online [Event Starts] 1.The Golden Colossus Event has started. 1)The Golden Colossus Event 2) Salse Event ▶ More details - [Go to Event Page] [Event Ends] 1.Egg of Monsters Thank you. MU Support Team

  6/16/2026
• Maintenance

  [09:00 Open] Scheduled Maintenance on June 16th, 2026 (07:00~09:00 UTC)

  Dear Mutizens, There will be scheduled maintenance performed on all servers on June 16th, 2026 (UTC). Please refer to the following maintenance details. [Maintenance Schedule] 07:00 ~ 09:00 (UTC) - 2 hours Thank you, MU Online Team.

  6/12/2026
• Patch Note

  Patch Notes - June 9th, 2026

  Dear Mutizens, Please find the latest update details for MU Online on June 9th, 2026. ■ MU Online [Change Functions] 1. Formal enforcement of KWS for Brazilian users has begun. [Go to Notice/EN] [Go to Notice/PT] Thank you. MU Support Team

  6/9/2026