thats why you spend your points manly on grenader for more damage each hit from all your towers, also merchant so that you get more money from each kill.
if you had trouble on #2 like i did then use this its an easy but edd did some risky things because atoms get close together- b,6,9;m,4,9,90,2,cdloruwwww;m,6,6,90,2,wwwcr2r2oll;m,10,9,90,2,crolwwwwww;
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