SweetFX, which adds well-tuned SMAA and FXAA anti-aliasing to the game. The mod does not contain any effects that change the original picture of the game, only the contrast is slightly increased, since the gamma was too monochromatic.
Perfect for those who want to play with anti-aliasing, MSAA cannot allow it, and the standard FXAA for some reason does not suit.
It is also worth adjusting the brightness in the game for yourself.
Works under WINDOWS 7-8.1 Should be perfect for the GTX 660 to play at 60 FPS with proper graphics settings, performance-to-picture ratio. My computer is i5-3470, gtx 660 2gb, RAM 8gb, I have 80-70 fps with a maximum drawdown of 65 fps.