K, so our fish tank can sometimes be very dirty, and sometimes very clean. When a new filter is put in, the water will become dirty. When an old filter is left in, the water will become clean. Why is this?
Last few games I haven't been making money at 100% research(on one save file I get 114 gold per turn at 100% research). I don't actually know how I do it... How can I get high taxes?