The naming convention of this file highlights several key details:

Downloading and opening "cracked" archives from unofficial sources carries substantial security risks: Operation Lovecraft:Fallen Doll

The game has been in active development with multiple closed beta builds for Patreon supporters and Steam testers. Analysis of the Specific File

It utilizes Unreal Engine and supports both desktop (third-person) and VR (first-person) modes.

It is a Cthulhu-mythos-inspired adult game featuring a "harem mode" and tactical combat elements.