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Upgrade towers 20,000 times
~ Official BTD6 description
Tools to Darwin

Achivement descrpiton

Tools to Darwin is an achievement in BTD6, first added on Version TBA. It is achieved by upgrading towers 20,000 times. Earning this achievement will reward BloonjaminsIcon200 and 2 random Tier 2 Insta-Monkeys.


Nothing much to mention to optimize for this strategy other than the fact that purchasing cheaper upgrades is more efficient for simply trying to earn this achievement.


  • Dart Monkeys have very cheap upgrades. Spamming Triple Shot with Gwendolin is an interesting strategy while still working well on many of the less difficult maps.


  • Tools to Darwin is a possible reference to Darwin Tools.