Flash End of Life

Ninja Kiwi flash games will stop working on January 11th 2021. For more information please see our Flash End of Life article
As of the 13th of December 2020, you will be unable to purchase any additional NK coins. For any issues with this please contact our support team at support@ninjakiwi.com
UPDATE: We've been experimenting with a plugin called SuperNova (which you will be prompted to install upon attempting to load a game) and this has enabled some games to load, but the loading of progress is currently not available. We continue to look into additional avenues to keep the games running.

Bloons Tower Defense 4 Expansion

NOW UPDATED WITH NEW THE NEW TOWERS! Use your favourite new towers, the Dartling Gun and the Spike Factory in this awesome expansion pack for BTD4. Bloons Tower Defense 4 Expansion contains 4 brand new crazy fun tracks for you to try out. Mesmerise yourself on the Sandy Spiral Track, get lost in the Subterrainian Sewers, explore the secrets of the Monkey Temple, or challenge your wits on the Triangle of Insanity! This expansion also includes a new game mode called Deflation mode. You start Deflation mode with 50,000 money but you never get any more. Finally, we have included Tower Specialties, which you will unlock after completing the new tracks in various difficulty levels. The specialties allow you to customize your strategy by making some towers much cheaper to buy, at the expense of increasing the cost of all others. Enjoy Bloons Tower Defense 4 Expansion only on Ninja Kiwi!

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