Bloons Tower Defense 4 Expansion adds 2 new towers, the dart gunner, and the spike factory. The concept is still the same: protect the end of the track from the balloons. The link you can find right here: https://www.sites.google.com/site/unblockedgame76/bloons-tower-defense-4-expansion
Bloons Tower Defense 4 has an expansion!
Updated: Sep 19, 2022
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