The game is running on a GTX 970 with an i7 4790k and 16GB DDR3 RAM.
Fully Path traced Global Illumination (with infinite bounces)
Fully Raytraced reflections (+roughness)
Glass Block refractions
Support for PBR textures
All the settings here are maxed out and the game uses custom textures. The author pointed out that frame rate is below 30 but with normal graphics settings and without recording the build is playable with up to 50-70 fps.