3D engine on MS Excel - without vba

This demo is from my own work on Excel. The game provide theses functionalities : - infinite procedural generated maze map - real time ray tracer rendering - occlusion calculation - basic illumination rendering - illumination and compute shader - natural displacement engine - No macro at all used by the 3D engine, * to enjoy the game using key press, some macro trigger the displacements, using just one simple copy instruction. Details here : You can freely download the file and test it by yourself : HD version : The music is Danse macabre, from Camille Saint-Saëns