Glad you liked it! It's a custom engine built on C++ and OpenGL (and using libs such as stb_image, miniz, pugixml, OpenAL) there is no science behind the movement: only endless iteration 🙂
If I could create an engine like this in 15 years, i'd be happy! Tried the demo on my XP system, game is great fun, smooth engine too. I hope you do well with this. I will grab myself a copy. :)
