add NIMBY Rails link to README.md

README.md

@@ -373,6 +373,14 @@ Implementation of Clustered Shading and Physically Based Rendering with the bgfx
 
 ![cluster](https://raw.githubusercontent.com/pezcode/Cluster/master/images/sponza.jpg)
 
+## NIMBY Rails
+
+NIMBY Rails is a management and design sandbox game for railways you build in the real world.
+
+[NIMBY Rails](https://store.steampowered.com/app/1134710/NIMBY_Rails/)
+
+![NIMBY Rails](https://user-images.githubusercontent.com/28320/78472283-03d5e200-7727-11ea-8bd4-db8754f52dc3.jpg)
+
 
 [License (BSD 2-clause)](https://bkaradzic.github.io/bgfx/license.html)
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