Whoa
Well, let me start out by saying HOLYCRAPIWANTMORENOW!!!!!! Amazing!!! Please, for the love of god and all that is fun MAKE MORE!!! Dude, I loved it. Please make a sequel with: A) More buildings to crush stuff B) more upgrades to crush stuff
C) more levels to crush stuff D) longer levels to crush stuff E) more mech levels and upgrades, man (That could be an amazing game in of itself) F) Bosses!!!!
Mind you these are just suggestions, and this game doesn't need them to be FRICKIN' PERFECT!!!!!!!! Anyhoo, please satisfy my hunger, oh god of defense games!!!!!!!!!!!!