Spiked Ball Factory (BMC)

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Spiked Ball Factory
MobileFlash File:BTD5M spike factory spiked balls icon.png Produces sharp spiked balls that do extra damage to ceramics. File:BMCF portrait SpikeBalls.svg File:BTD5F icon SpikeBalls.svg Modified to produce heavy but viciously sharp spiked balls instead of regular spikes. Do extra damage to ceramic bloons. Tower Path Tier Spike Factory 1 3 Upgrade cost $2,400 Prerequisites City Level 12 Research cost Flash: 7,500, 20 Mobile: 7,500 Research time 1 day 12 hours XP for researching 500
← White Hot Spikes Spiked Mines →

Spiked Ball Factory is the Spike Factory's path 1 tier 3 upgrade in Bloons Monkey City.