Bloons Tower Defense 4 - BTD4 features improved graphics, loads of new and original tower types and tons of upgrades for each tower type. Heaps of tracks, save games, career mode, sandbox mode and apopalypse mode. Bloons Tower Defense 4 will give you almost unlimited replay value. Play it free, rate it, send to your friends, add the game code to your blog or Myspace.

Instructions: Select the track you want then the difficulty. In the game buy your towers from the side bar on the right, then place them around the track to maximize their effectiveness. You will unlock new tower types with every rank you go up.

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