I bet they did 3d rendering in browser with javascript and every character is in separate iframe to achive compartmentalization while the logic is architecturally separated and written in prolog + llama + logo, like latest design trends require.

Reminds me of working with cloud...

p.s: rolling my eyes to the point where they fall out and I am blindly forced to search for them around the floor)

p.p.s: you need to be 45+ to understand this post