Very good used clean condition. Tested 2 months ago and was in working condition. A couple of the games needed to be wiggled but I think this is due the games being played multiple times years ago. This was our daughters back in '08? 
She is now 3rd year majoring in honors planetary sciences/astronomy undergraduate. I think it did contribute a bit. pet free, smoke free, shoe free home. What you see is what you get. Sold as is no returns.