: Likely an abbreviation for the game title (e.g., Grim Fandango Remastered or similar). 181122 : The release date (November 22, 2018).

: Without the other parts of the RAR set, this file is useless and cannot be opened.

: Run the file through VirusTotal to check for malicious signatures.

If you found this on your computer and aren't sure how it got there:

: Pirated files are a primary vector for ransomware and miners.