This often refers to the image compression level. "MQ" builds use smaller file sizes for easier downloading, while "HQ" (High Quality) builds provide uncompressed, sharper visuals.
Specifically formatted for Windows or desktop operating systems. Savior-0.13Beta-pc_MQ.7z
This title contains explicit adult content intended for mature audiences only. This often refers to the image compression level
Use 7-Zip or WinRAR to extract the contents of the .7z file. Savior-0.13Beta-pc_MQ.7z