Ill have to agree with Matich...
Though its very well thought out and a cool idea it does have a few flaws:
The moons are the biggest problem. When you get a moon they are supposed to make the larger things smaller correct? Well it dose the same for the smaller stuff. It makes it smaller. Making it harder to get bigger. Also now and then it will push smaller rocks out of view making them disappear.
The giant clusters are also a big problem. They are very hard to maneuver around and when you are stuck in between them getting the mass beaten out of you.
The camera and controls duo is very difficult to use also. When you are trying to get away from the big clusters you try and point your mouse to move the camera too see how far away you are and you are hit by the cluster.
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Please in the next one do not put both the controls and the camera with the mojavascript:submission_controller.Ge tReviewController().GetWriteReviewWin dow().SetRating(2);use and fix the cluster problem. And maybe make it so the moons dont interact with the smaller rocks at all.