Quote Originally Posted by Yencat View Post
I use it as well and it's extremely simple, once it's enabled all you have to do is press Alt+F3 when the game has launched to bring up the menu and choose whatever options you want and play with the sliders to make it as subtle or pronounced as you like.

Only issue I have sometimes is my preset disappears after updates, but I only use 2 filters to alter the colours and sharpness slightly so it's not too bad to re-do.

It's called Nvidia Freestyle if you want to look into it more.
For some reason it says the game isn't supported... even thought it clearly is.