It is almost done. Here are some new rendered images of the machines in a little sci-fi scene.










And here you can see, how they look in a game-engine with normal-mapping applied. As you can see, the quality of still renders and real-time images is almost the same if you have access to good lighting and shaders.
I am sure with the right shader it can look the same in Gamestudio:





Models, Textures and Games from Dexsoft