: The "MG1" prefix often refers to Metal Gear or Metal Gear Solid , and "legio" may refer to "Legion," a term used in various fan-made patches or texture packs.
: Typically requires WinRAR or 7-Zip to extract the contents into the game's root directory. Do you have a link to where you found this file, or MG1legio.rar
: Only use the file if you downloaded it from a reputable modding site like Nexus Mods or a well-known community Github repository. : The "MG1" prefix often refers to Metal
If this is indeed the modding tool/patch often discussed in retro gaming circles: and "legio" may refer to "Legion