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Bloons TD 4 is a tower defense game where you place monkey towers along a path to pop waves of incoming bloons. It expands the series with new towers, upgrade paths, maps, and special mission challenges. Each round grows harder, requiring smarter placement, stronger upgrades, and better money management. Its mix of strategy, variety, and escalating difficulty makes it one of the most replayable entries in the classic era of BTD.
Play Bloons Tower Defense 4 online for free at dubdoo.com. No downloads or registration required! Start playing instantly in your browser.
Use your mouse to place, upgrade, and arrange towers to stop every bloon before it reaches the end of the track.

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