To open this file, it is recommended to use tools like 7-Zip for Windows or Keka for macOS to ensure the LZMA2 algorithm used in these archives is handled correctly. soggi's BIOS & Firmware Page

The term "solid content" (or "Solid Compression") refers to a method used by the 7-Zip archive format where all files in the archive are treated as one continuous data stream.

: This specific version number suggests a patch or build release for the game, often found on distribution platforms or community modding sites.