The Only Time This Spike Factory Upgrade Is Useful (Bloons TD 6)

The Only Time This Spike Factory Upgrade Is Useful - Bloons TD 6 / BTD6. In this challenge, no other spike factory path works except for one - the least used one! Aside from the tier 5 perma-spike, it is unlikely you will ever use these spike factories unless for these kinda challenges.

This is my series of Bloons TD 6 strategy, gameplay, guides, walkthroughs, or whatever it may be. Likes and comments are appreciated, and subscribe to catch my future videos!

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