A compatibility list
Add any games not already that you've found to work (or partially) on Crosire's forum
ReShade is a post processing injector capable of accessing the depth buffer in OpenGL and DirectX (8-11) games. It finally exists, and the initial results are pretty impressive.
I've only played with it a little bit in Lords of the Fallen (DX11), but it works perfectly. Here's the depth buffer visualization (you can play like this if you really want to).
Marty McFly of ENB modding fame
has ported over MasterEffect to ReShade. This gives us a handy suite of Depth of Field, SSAO, bloom, and other fancy shaders to play with. Here are a few shots to demonstrate (mostly bokeh DoF and bloom).