Sub Weapons Research

Sub Weapons Research
Multiplatform Sub Weapons Research labs have invented a class of unique upgrades for the Monkey Sub. Additional Special Buildings are required before the most powerful upgrades can be researched. Prerequisites City Level 8 Terrain requirements Cannot be built on: Lake Terrain, River Terrain Footprint 3×3 (1×1 tiles) Build cost  750 Power used  25 Build time 1 hour XP for building  300

Sub Weapons Research is an Upgrade Building in the mobile version of Bloons Monkey City. It enables upgrades for Monkey Subs to be researched.

Research

Tier	Upgrade	Prerequisites	City Cash cost	Time (minutes)	XP for researching
1	Barbed Darts	City Level 5	450	25	60
2	Advanced Intel	City Level 6	2,000	240	75
3	Submerge and Support	City Level 10	6,000	1,440	400
4	Bloontonium Reactor	City Level 18, Submarine Core Reactor built	30,000	4,320	1,000
1	Twin Guns	City Level 5	400	30	25
2	Airburst Darts	City Level 8	2,500	240	80
3	Ballistic Missile	City Level 12	7,500	2,160	250
4	First Strike Capability	City Level 20, Super-Bomb Research Centre built	40,000	4,320	1,200

Gallery

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