notice
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Maintenance
8/5/2026
[07:40 Early Open] Urgent Maintenance on August 5th, 2026 (Speed Server, 07:00 ~ 08:00)
Greetings, There will be an urgent maintenance performed on all Speed Servers onAugust 5th,2026(UTC). Please refer to the following maintenance details. [Maintenance Schedule]07:00 ~ 08:00 (UTC)07:00 ~ 07:40 - 40 minutes [Target Servers] Speed Server 1~4 We apologize for the imminent maintenance...
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Patch Note
8/4/2026
Patch Notes - Aug 4th, 2026
Dear Mutizens, Please find the latest update details for MU Online on Aug 4th, 2026. ■ MU Online [Event Starts] 1. Egg of Monsters Thank you. MU Support Team
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Known Issues
7/31/2026
[Notice] Update on Season 21 Part 1 Speed Server Pre-Event Announcement
Greetings Mutizens, We would like to inform you that the Level UP Rewards info on the Season 21 Part 1 Speed Server Pre-Event page has been updated. The "350,000 Ruud" previously displayed on the pre-event page has been changed to the new, official rewards. The actual and accurate rewards for the ...
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Maintenance
7/31/2026
[09:20 Early Open] Scheduled Maintenance on Aug 4th, 2026 (Revised)
Dear Mutizens, There will be scheduled maintenance performed on all servers on Aug 4th, 2026 (UTC). Please refer to the following maintenance details. [Maintenance Schedule] 07:00 ~ 09:00 (UTC) 07:00 ~ 09:20 (UTC) -2 hours 20 minutes Thank you, MU Online Team.
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Patch Note
7/28/2026
Patch Note - July 28th, 2026
Dear Mutizens, Please find the latest update details for MU Online on July 28th, 2026. [Event Ends] 1. Monster Soul Converter sales has ended - (Scheduled to be re-opened on August 11th) 2. Egg of monsters event has ended Thank you. MU Support Team
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Maintenance
7/24/2026
Scheduled Maintenance on Jul 28th, 2026 (07:00 ~ 09:00 UTC)
Dear Mutizens, There will be scheduled maintenance performed on all servers on July 28th, 2026 (UTC). Please refer to the following maintenance details. [Maintenance Schedule] 07:00 ~ 09:00 (UTC) - 2 hours Thank you, MU Online Team.
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Known Issues
7/22/2026
Notice regarding the disconnection of Speed Server 2 Channel 9 (Resolved)
Dear MUtizens, Our team confirmed an issue with the Speed Server 2's Channel 9. As the other channels are operating normally, we ask that you please use one of them until the issue is resolved. The team is currently working on the issue and we kindly ask for your patience as we resolve this. Once ...
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Announcement
7/21/2026
Account Suspension Due to Illegal Program
Dear Mutizens, We would like to inform our community that our team is conducting an investigation regarding using of illegal programs. Effective immediately we will suspend all accounts involved in this matter without prior warnings or exceptions from the time this notice is posted. We will con...
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Known Issues
7/21/2026
Issue regarding incorrect in-game banner (Resolved)
Dear Mutizens, We would like to inform you about an issue that was identified following the recent maintenance. Issue Details: An outdated in-game banner is currently being displayed incorrectly, containing past events' information. This in-game banner issue will be corrected during next week&r...
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Announcement
7/21/2026
Notice Regarding Speed Server Plus Content (26/08/25 ~ 27/01/12)
Dear MUtizens, We would like to express our sincere gratitude to everyone who participated in the Speed Server. To support players who continue their journey on the main server after transferring from the Speed Server, we have prepared a special "Speed Server Plus" event. Through the "Speed Server...
