In the MUGEN community, "Extra Quality" usually refers to builds that prioritize refined character sprites HD effects

A: Rare. Some older Mugen builds use packers (UPX) that antivirus misidentifies as suspicious. If you downloaded from a trusted source, add an exception. If from a random YouTube link, delete it immediately.

: At least 2GB RAM is recommended, though older or "weak" devices may experience lag during intense combat. Developer & Credits