W, A, S and D to move around and arrow keys to look around. You may also press Q and E to move up and down respectively. Enjoy :) https://forkphorus.github.io/#377954800 (this is a faster version)
This project uses 3 3D techniques combined to create this here. "Indiv-Check" to render the closer things last. "MDP" to draw the map sourced from a grid. And "texture priority" to draw the flat colours of the blocks correctly.