: Volume 2 of certain PBR texture packs includes 500 uncompressed maps, often provided in compressed formats for easier distribution.
If you are looking for a specific missing "piece" or the complete set for a particular game:
The file appears to be associated with several different gaming map packs or texture collections depending on the specific community or game title you are looking for. Because this file name is generic, it is found in various mods and expansions:
: Large collections like the 86 Zero Hour mission maps are often archived in .rar formats for easy downloading.
: The Share the Pain Co-op Map-Pack requires moving multiple files to the correct local directory for the "full" experience to work properly.
: Massive map packs, sometimes split into multiple parts, are used to standardize hundreds of custom maps into a single directory structure. Finding the "Full Piece"
: Discussions regarding "Maps 2" often refer to retexture packs that change the appearance of trees, towns, and fields.
: A file named Maps.rar was released for the "Bigger Cave" mod, which adds two farmable floors to the cave system.