Here you will find some Demo’s what is possible and not.
These Demo’s require the Unity3d Webplayer plugin that will be automatic installed.
Right Click to play Full Screen. Use Keyboard to control your Direction and Mouse for your View.

Click here to open the first Demo Webplayer

Here is a Demo from the Game Engine Streaming Technology.
All Stuff can be done in Realtime on the Location and Streamed to you instantly.
So you can see what happen when you Build a Plant or just a small Building.

Click here to open the first Demo Webplayer