We're using Unity (Quarter Circle Games). I'm happy to give an interview and some of my lighting/PP techniques. You can view out game here: https://store.steampowered.com/app/907500/The_Peterson_Case/
This is a fan project, like the Lord Inquisitor was. GW has absolutely nothing to do with it!
What are your favorite tools in Houdini? Are there some top-notch custom ones? Anders Schei, an artist at DICE, has presented a new awesome tool which lets him easily generate different flowers inside Houdini. The tool features a number of parameters to customize the look.
Just check out the tool in action:
Some results rendered in Unreal: