The ".rar" extension suggests a compressed file, which is common in the community.
The phrase is a bit of a puzzle because it mixes a specific file name with the word "paper." Depending on what you're looking for, it likely refers to one of two things: 1. Game Design or Academic Paper
If you intended to find the game itself, it is best to stick to official storefronts like or Epic Games Store to avoid corrupted files.