Great game at start,but filled with many issues that slow down progress and make it become repetitive and dull after a short time. Making money is impossible after a certain point without astronaughts, best way to get astronaughts? Ads... Science points are a waste of money and time, you'll be making them x10 faster than you're acquiring scientists, just wasted 15 relics on them by accident from the store, and since they have no use other than upgrading, they'll just be sitting there...