make sure to connect power lines and water tubes to the right places on the South-West side of a building. If a building don’t have water/energy, the warning icon will appear. I didn't spot this for AGES and couldn't work out why none of my buildings worked...
I built a Temple of the Monkey God with all types of tower in it - it seems to be totally unbeatable. I wonder how many rounds it will go until the game just says "enough" and sends constant ZOMGs...?
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