This is my current game project. It is a real-time ray traced game. With the dramatic lighting I am leaning towards making it a story based game, maybe even horror like. Not sure yet.
It is rendered in low resolution (800x400) but it does allow for 60 frames-per-second on an AVX equipped CPU with 4 cores.
Everything in the world is built with block primitives. Each block is a set of coloured AABBs. Here are some primitives: