Wow, this is impressive. This pure huge amount of models rendered so fast, amazing. I am sure they use hardware instancing for that. And they probably use a distribution bitmap for the plants. I cannot imagine that an engine database for entities can handle millions of models so fast.
Did you see the dynamic shadows at the grass? Impressive!
Quote:
Can be done in Lite-C...
If you are right then just do it! Plenty of people would be willing to pay for that and even some new 3dgs customers could be attracted 
