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More interests, more lives and more beautiful tracks with Bloons Tower Defense 4. Play this Bloons Tower Defense unblocked game for free now, it’s sure that you will satisfy with it. If you are the best one in Bloons Tower Defense 2, Bloons Tower Defense 3can you do the same with the fourth version of Tower Defense Games? This game is harder and more interest than it before. When you join this game, you have a chance to test all awesome tracks and many new tough challenges in the game. It’s not only stop there, but also impress you with many upgrades as frags bomb, crystal ball, digital amplification, monkey tycoon and so on. Let join with Cool Math Games and create your fun.