: This often refers to "A Clash of the Stars" , a known total conversion mod or specific game build for titles like Star Wars: Empire at War or similar strategy games. 1.05 : Indicates the version number of the software or mod.
Based on the file naming convention, appears to be the third part of a multi-volume compressed archive containing a specific software release or game modification. GF251222-ACOTS-1.05-GG.part3.rar
While there is no single official database for this specific file string, the name can be broken down based on standard release group patterns: : This often refers to "A Clash of