My god, if every developer was like you, there would be A LOT of near perfect games out there. You guys really take care of your game and it's players, thank you.
some more content like extra levels , more upgrades(even more) , more chalenges and enormous massive endless levels (for lots of towers and stuff) and badges would make the game even ore perfect than already is , so great game there guys (again). Can't wait for the sequel!!
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