NOTE: The mod was removed from Experimental and is no longer in Stable A20.1. There were reports of some people crashing.
The mod is still available for those it worked well for.
This mod can increase FPS by a large amount if your GPU is underutilized (it is for most people)
This mod is compatible with Alpha 19 & 20.
Unzip in your 7 Days to Die folder and overwrite.