If you are looking at an "RG Mechanics" repack, here are the key factors to consider: Compression
The search term "rgmechanicsuncharted4athiefsend2015 portable" likely refers to a specific repackaged or "portable" version of Uncharted 4: A Thief's End rgmechanicsuncharted4athiefsend2015 portable
Repacks are primarily designed for users with limited or slow internet access , as they can reduce massive game sizes (sometimes over 100GB) into much smaller, highly compressed installers. However, these versions come with significant risks: If you are looking at an "RG Mechanics"
Let’s address the elephant in the room. Uncharted 4: A Thief’s End is not a lightweight game. highly compressed installers. However