Options

On the Video tab of the options screen.

Option	What it does	Default
Improved materials	Metal reflects its surroundings; leather, cloth and stone stay matte.	On
Improved shadows	Softer, finer shadows that fall on characters too. Restart the game after turning it on.	On
SMAA	Smooths jagged edges.	On
Ambient occlusion	Shade in corners and creases: Off, Low, Medium or High.	High
Anisotropic filtering	Sharper ground and walls at a slant: Off to 16x.	16x