Spike Storm (BTD4)

For other uses, see Spike Storm (disambiguation).
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Spike Storm
Every 15 seconds the factory generates a storm of short lived spikes filling up the whole track.
Every 15 seconds the factory generates a storm of short-lived spikes, filling up the whole track.
Tower Spike Factory
Cost $5,950 — Easy
$7,000 — Medium
$7,560 — Hard

Spike Storm is the Spike Factory's tier 4 upgrade in Bloons TD 4.

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