Board Thread:Off-Topic/@comment-24.45.12.190-20140930201707/@comment-86.178.102.112-20141019173639

It's true! Requires a new building, tons of cash, level 28 and 50 bloonstones.

Probably worse is that tier 3 and 4 upgrades cost 20 or 50 bloonstones and their upgrade time is ridiculous - Sprokets for engineer (Tier 3) took 48 hours!

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