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Download Flame MU Client – Season 21 2026
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Latest VERSION
S21 PREMIUM
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Files | Downloads

Download Flame MU game client and start playing! Current version: Season 21

Important Notice

We are currently using Season 21 Part 1–2, the newest MU version available. Since this version is still awaiting official Microsoft certification, your system or antivirus software may sometimes show a warning for the IGC.dll and game.exe files.

Don’t worry - our client files are 100% safe and do not contain any viruses or harmful software. These warnings are false positives and can happen with newer game files.

To make sure the game runs without any problems, please add the Flame MU folder to the exclusion list of Windows Defender and any antivirus program you are using.

Thank you for your understanding, and we hope you enjoy your time in the game!

Having problems with square game font? If you see squares in the game instead of text, then you are missing windows font called Arial Unicode MS. It's a common error in all new mu online clients so follow the easy steps listed below to fix.

Step 1: Download missing font ARIALUNI.TTF
Step 2: Double click the file you just downloaded and choose Install
Optional: Alternatively you may download the missing font and copy it to C:/Windows/Fonts

System Requirements

  • MINIMUM
  • Windows 7
  • RAM: 2 GB
  • RECOMMENDED
  • Windows 10 or higher
  • RAM: 4 GB or higher
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