The balloon-popping fun continues with Bloons Tower Defense 4, the latest in NinjaKiwi's Bloons Tower Defense series. Along with improved graphics come nifty new defenses like a monkey ace that circles the path in a plane, shooting and dropping pineapple bombs, as well as ships which can be placed in water areas. Premium upgrades are sold for MochiCoins, but there is plenty of fun to be had without them.

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