The file name is a "who’s who" of various internet groups known for compressing or redistributing games:
Most repacks include all necessary patches and "cracks" already applied, meaning the games are intended to be "plug-and-play." Mirage-VR_REPACKLAB-ROMSLAB-UNFITGIRL-GAMESPACK.7z
Given the .7z extension and the "GAMESPACK" label, this is a compressed archive containing: The file name is a "who’s who" of
Use 7-Zip or WinRAR. Because of the heavy compression mentioned in the name, standard Windows "Extract All" tools might fail or throw errors. Mirage-VR_REPACKLAB-ROMSLAB-UNFITGIRL-GAMESPACK.7z
The Mystery Behind the "Mirage-VR" Games Pack: What You Need to Know
Ensure you downloaded this from a reputable community forum. Random mirrors are much more likely to bundle "extra" unwanted software (adware or miners).