Search for “RG Mechanics Uncharted 4 portable” on reputable torrent sites or DDL forums (e.g., RuTracker, Tapochek). Look for a file named something like: RG Mechanics - Uncharted 4 A Thiefs End [Portable].rar
When searching for the keyword users are typically looking for a specific type of game distribution: rgmechanicsuncharted4athiefsend2015 portable
When users look for an "RG Mechanics Portable" version, they are typically looking for a "pre-installed" or "portable" edition of the game. Here is what that entails: Search for “RG Mechanics Uncharted 4 portable” on