a tip to get high combos is to buy the valve level 2 for all of them, then start buying the saws and placing them to where the tips touch and there is a gap to the left or right. then place mines to get more flying turtles and launchers to put the turtles back up to the top. then start buying better valves
very good game. the two ways to win are either capture city hall and draft a constitution or get 3 labs, 5 scientists, and cure zombieism. both need 50% happiness to do. also, another way to win might be reclaiming every part of the city