Revision as of 12:14, 13 June 2026 by Planterror(talk | contribs)(→Strategy: redoing completely. Buying MIB solely for lead on the mobile version is a waste of money because consistent lead poppers like mortar exist.)
Monkey Intelligence Bureau is the Monkey Village's path 2 tier 3 upgrade in Bloons Monkey City. It now allows all monkeys to pop all bloon types. Additionally on the Flash Version of Bloons Monkey City this tower grants +2 pierce to all monkeys instead of +1.
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Costs and sell values
Note: this list does not factor in Monkey Knowledge or other discounts.
Tiers
Mobile version
Flash version
Cost
Sell value
Cost
Sell value
0-3
$8,800
$7,040
$8,800
$7,040
1-3
$9,300
$7,440
$9,300
$7,440
2-3
$10,800
$8,640
$10,800
$8,640
Strategy
On the Flash version of Bloons Monkey City, MIB is especially useful against the numerous tiles with DDTs on them, allowing all towers to hit them. It is often a staple of defenses as not many towers can hit DDTs without it. MIB with Jungle Drums can also enable an Arctic Wind to fully cleanup all Bloon types on its own, due to the re-freeze mechanic on flash.
On the multiplatform version of Bloons Monkey City, due to DDTs not having lead or black properties, and Ice Monkeys not having re-freeze, this upgrade has limited use cases as it is overpriced for simple lead popping support. Instead, players can abuse the damage type oversight and spam Juggernauts around an MIB to deal massive MOAB and Ceramic damage.