You're referring to the popular video game modification (mod) known as "R.G. Mechanics" for Far Cry 4, specifically version 1.5, which is an exclusive release. Here's some background information and details about this mod:
Go to Documents\My Games\Far Cry 4\ and delete GamerProfile.xml . Launch the game again; it will regenerate correctly. rg mechanics far cry 4 version 15 exclusive
The release of Far Cry 4 Version 1.5 by R.G. Mechanics provides an optimized, compressed version of Ubisoft's open-world shooter, integrating critical technical updates that improved the PC experience significantly. Overview of Version 1.5 Changes You're referring to the popular video game modification
Hidden within the game’s GamerProfile.xml , Version 15 unlocks: specifically version 1.5
: Addressed various UI, graphical, and session browser issues. Typical R.G. Mechanics Repack Elements Repacks from groups like R.G. Mechanics