fastest way to win: on first lvl circle the enimys for 5-7 mins then shoot them all. you will instant to last lvl. with ur ultra rapid fire killl the ultra-boss and win.
for LVL 3 get your colletion rate to at LEAST 4.5 (much better if 6.5) then build one mortar for hte center two pools. then you know the sides of the bowl? (In lvl 3) use relays to put more collecters and mortars there. dont forget the blasters! oh, and tip: blasters are SOOOOOO much better if u put them high up
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