DirectX 11 renderer for the following Unreal Engine I games: Unreal Tournament, Unreal Gold, Harry Potter 1 &2, Clive Barker Undying, ST:Klingon Honor Guard, Rune and DeusEx. These dll extensions allow you to play these games on full HD resolution with features like: ASSAO- ambient occlusion which gives realistic ambient lightning and shadownig. Unreal Engine 4 Console Variables and Commands. Allow uniform expressions to be cached. If true, use enable depth bounds test when rendering defered lights. If zero, occlusion queries will not be used to cull primitives. When 0, will prevent point light cube map shadows from being used and the light will be unshadowed. If zero, precomputed.