Spike Production Building

Spike Production Building

MultiplatformFlash Spike Factory's upgrades are unlocked in the Spike Production Building. Additional Special Buildings are required before the most powerful upgrades can be researched. Tack Shooters and Spike Factories upgrades are unlocked in the Spike Production Building. Additional Special Buildings will be required before the most powerful upgrades can be researched. Prerequisites City Level 1 (Flash) City Level 5 (mobile) Terrain requirements Cannot be built on: Lake Terrain, River Terrain Footprint 3×3 (1×1 tiles) Build cost Flash:  450 Mobile:  350 Power used Flash:  25 Mobile:  20 Build time Flash: 20 minutes Mobile: 30 minutes XP for building  150

The Spike Production Building is an Upgrade Building in Bloons Monkey City. It enables upgrades for Spike Factories and, in the Flash version, Tack Shooters to be researched. In the multiplatform version, the Tack Production Building enables upgrades for Tack Shooters instead.

Research

Mobile version

Tier	Upgrade	Prerequisites	City Cash cost	Time (minutes)	XP for researching
1	Bigger Stacks	City Level 5	500	15	35
2	White Hot Spikes	City Level 8	1,200	90	70
3	Spiked Ball Factory	City Level 12	7,500	2,160	500
4	Spiked Mines	City Level 20, High Explosives Workshop built	50,000	5,760	1,000
1	Faster Production	—	500	30	60
2	Even Faster Production	City Level 8	2,000	120	100
3	MOAB-SHREDR Spikes	City Level 15, Anti MOAB Research Lab built	20,000	2,160	225
4	Spike Storm	City Level 20, Spike Dispersal Unit built	36,000	4,320	1,000

Flash version

Tack Shooter

Tier	Upgrade	Prerequisites	City Cash cost	Bloonstone cost	Time (minutes)	XP for researching
1	Faster Shooting	—	200	—	5	25
2	Even Faster Shooting	City Level 4	1,000	—	90	60
3	Tack Sprayer	City Level 10	6,000	20	1,440	350
4	Ring of Fire	City Level 18, Thermite Plant built	10,500	50	1,440	700
1	Extra Range Tacks	—	240	—	15	25
2	Super Range Tacks	City Level 5	1,200	—	60	50
3	Blade Shooter	City Level 10	5,200	20	960	100
4	Blade Maelstrom	City Level 20, Blademill built	26,000	50	2,880	800

Spike Factory

Tier	Upgrade	Prerequisites	City Cash cost	Bloonstone cost	Time (minutes)	XP for researching
1	Bigger Stacks	City Level 5	500	—	15	35
2	White Hot Spikes	City Level 8	1,200	—	90	70
3	Spiked Ball Factory	City Level 12	7,500	20	2,160	500
4	Spiked Mines	City Level 20, High Explosives Workshop built	50,000	50	5,760	1,000
1	Faster Production	—	500	—	30	60
2	Even Faster Production	City Level 8	2,000	—	120	100
3	MOAB-SHREDR Spikes	City Level 15, Anti MOAB Research Lab built	20,000	20	2,160	225
4	Spike Storm	City Level 20, Spike Dispersal Unit built	36,000	50	4,320	1,000

Gallery

Mobile version

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Flash version

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