Mass Effect was built from the Unreal Engine (UE) 3 games engine, which allows many modifications by the user to enhance the in-game graphics and controls. Mass Effect's in-game configuration options have very little tweaking possibilities and only support basic graphic and key mapping. This article intends to serve as a guide to players who want to have more control on game performance and personalization, by highlight options which players can tweak to better suit their needs. __TOC__