Spike Factory (BTD6)

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For the Spike Factory in general, see Spike Factory.
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Spike Factory
Portrait of Spike Factory
Automatically generates piles of Road Spikes on the nearby track. Excellent last line of defense.
Category Support
Cost $850 — Easy
$1,000 — Medium
$1,080 — Hard
$1,200 — Impoppable
Hotkey J
Introduced Launch

The Spike Factory is a Support tower in Bloons TD 6. It produces spike piles that contain 5 spikes per pile, and each spike deals 1 damage. A spike disappears from the pile once it has dealt damage. Each spike pile disappears at the end of the round, or after 50 seconds have elapsed.

Upgrades

Path 1

Bigger Stacks
XP cost: 170
Creates larger piles of spikes per shot.
Easy Medium Hard Impoppable
$680 $800 $865 $960
White Hot Spikes
XP cost: 600
Cuts through Lead Bloons and Frozen Bloons.
Easy Medium Hard Impoppable
$510 $600 $650 $720
Spiked Balls
XP cost: 2,400
Produces spiked balls that do extra damage to Ceramic and Fortified Bloons.
Easy Medium Hard Impoppable
$1,955 $2,300 $2,485 $2,760
Spiked Mines
XP cost: 15,000
Spiked mines explode violently when they lose all their spikes.
Easy Medium Hard Impoppable
$8,075 $9,500 $10,260 $11,400
Super Mines
XP cost: 32,500
Creates gigantic exploding spiked mines that can wipe out almost anything.
Easy Medium Hard Impoppable
$106,250 $125,000 $135,000 $150,000

Path 2

Faster Production
XP cost: 180
Rapidly increases production rate.
Easy Medium Hard Impoppable
$510 $600 $650 $720
Even Faster Production
XP cost: 650
Increases production rate even more.
Easy Medium Hard Impoppable
$680 $800 $865 $960
MOAB SHREDR
XP cost: 2,500
Super-Hard-Rending-Engine-Driven-Razors shred MOAB-Class Bloons.
Easy Medium Hard Impoppable
$2,125 $2,500 $2,700 $3,000
Spike Storm
XP cost: 11,000
Spike Storm ability: Shoots out a thick layer of spikes over the entire track.
Easy Medium Hard Impoppable
$5,950 $7,000 $7,560 $8,400
Carpet of Spikes
XP cost: 35,000
Regularly sets a carpet of spikes over the whole track.
Easy Medium Hard Impoppable
$34,850 $41,000 $44,280 $49,200

Path 3

Long Reach
XP cost: 120
Increases range for spike pile drops, plus piles last longer.
Easy Medium Hard Impoppable
$125 $150 $160 $180
Smart Spikes
XP cost: 550
Spike Factory gains special targeting priority and accelerated production at the start of each round.
Easy Medium Hard Impoppable
$340 $400 $430 $480
Long Life Spikes
XP cost: 2,100
Spikes last much longer and can carry over one round.
Easy Medium Hard Impoppable
$1,105 $1,300 $1,405 $1,560
Deadly Spikes
XP cost: 9,000
Extra deadly spikes can pop through 3 layers per spike and last another round.
Easy Medium Hard Impoppable
$3,060 $3,600 $3,890 $4,320
Perma-Spike
XP cost: 29,500
High damage spikes become almost permanent.
Easy Medium Hard Impoppable
$25,500 $30,000 $32,400 $36,000

Stats

For a complete list of Spike Factory stats, see Stats:Spike Factory (BTD6).
This data was last updated for: version 55.1
Tower
Display range34 units
Footprint radius8 units
Targeting options
  • Normal
Attack
Cooldown1.75s
Offset (X, Y, Z)
0, 0, 12.13
TargetingDepends on targeting option
Targeting range34 units
Filters
  • Cannot target Camo
  • Ignores blockers
Projectile
Pierce5
Damage1
Damage typeSharp
Lifespan50s
Radius6 units
Rehit interval0.001s
  • Ignores blockers

Costs and sell values

Note: this list does not factor in Monkey Knowledge or other discounts.
Tiers Total cost Sell value
Easy Medium Hard Impoppable Easy Medium Hard Impoppable
0-0-0 $850 $1,000 $1,080 $1,200 $595 $700 $756 $840
1-0-0 $1,530 $1,800 $1,945 $2,160 $1,071 $1,260 $1,362 $1,512
1-1-0 $2,040 $2,400 $2,595 $2,880 $1,428 $1,680 $1,817 $2,016
1-0-1 $1,655 $1,950 $2,105 $2,340 $1,159 $1,365 $1,474 $1,638
0-1-0 $1,360 $1,600 $1,730 $1,920 $952 $1,120 $1,211 $1,344
0-1-1 $1,485 $1,750 $1,890 $2,100 $1,040 $1,225 $1,323 $1,470
0-0-1 $975 $1,150 $1,240 $1,380 $683 $805 $868 $966
2-0-0 $2,040 $2,400 $2,595 $2,880 $1,428 $1,680 $1,817 $2,016
2-1-0 $2,550 $3,000 $3,245 $3,600 $1,785 $2,100 $2,272 $2,520
2-2-0 $3,230 $3,800 $4,110 $4,560 $2,261 $2,660 $2,877 $3,192
2-0-1 $2,165 $2,550 $2,755 $3,060 $1,516 $1,785 $1,929 $2,142
2-0-2 $2,505 $2,950 $3,185 $3,540 $1,754 $2,065 $2,230 $2,478
0-2-0 $2,040 $2,400 $2,595 $2,880 $1,428 $1,680 $1,817 $2,016
1-2-0 $2,720 $3,200 $3,460 $3,840 $1,904 $2,240 $2,422 $2,688
0-2-1 $2,165 $2,550 $2,755 $3,060 $1,516 $1,785 $1,929 $2,142
0-2-2 $2,505 $2,950 $3,185 $3,540 $1,754 $2,065 $2,230 $2,478
0-0-2 $1,315 $1,550 $1,670 $1,860 $921 $1,085 $1,169 $1,302
1-0-2 $1,995 $2,350 $2,535 $2,820 $1,397 $1,645 $1,775 $1,974
0-1-2 $1,825 $2,150 $2,320 $2,580 $1,278 $1,505 $1,624 $1,806
3-0-0 $3,995 $4,700 $5,080 $5,640 $2,797 $3,290 $3,556 $3,948
3-1-0 $4,505 $5,300 $5,730 $6,360 $3,154 $3,710 $4,011 $4,452
3-2-0 $5,185 $6,100 $6,595 $7,320 $3,630 $4,270 $4,617 $5,124
3-0-1 $4,120 $4,850 $5,240 $5,820 $2,884 $3,395 $3,668 $4,074
3-0-2 $4,460 $5,250 $5,670 $6,300 $3,122 $3,675 $3,969 $4,410
0-3-0 $4,165 $4,900 $5,295 $5,880 $2,916 $3,430 $3,707 $4,116
1-3-0 $4,845 $5,700 $6,160 $6,840 $3,392 $3,990 $4,312 $4,788
2-3-0 $5,355 $6,300 $6,810 $7,560 $3,749 $4,410 $4,767 $5,292
0-3-1 $4,290 $5,050 $5,455 $6,060 $3,003 $3,535 $3,819 $4,242
0-3-2 $4,630 $5,450 $5,885 $6,540 $3,241 $3,815 $4,120 $4,578
0-0-3 $2,420 $2,850 $3,075 $3,420 $1,694 $1,995 $2,153 $2,394
1-0-3 $3,100 $3,650 $3,940 $4,380 $2,170 $2,555 $2,758 $3,066
2-0-3 $3,610 $4,250 $4,590 $5,100 $2,527 $2,975 $3,213 $3,570
0-1-3 $2,930 $3,450 $3,725 $4,140 $2,051 $2,415 $2,608 $2,898
0-2-3 $3,610 $4,250 $4,590 $5,100 $2,527 $2,975 $3,213 $3,570
4-0-0 $12,070 $14,200 $15,340 $17,040 $8,449 $9,940 $10,738 $11,928
4-1-0 $12,580 $14,800 $15,990 $17,760 $8,806 $10,360 $11,193 $12,432
4-2-0 $13,260 $15,600 $16,855 $18,720 $9,282 $10,920 $11,799 $13,104
4-0-1 $12,195 $14,350 $15,500 $17,220 $8,537 $10,045 $10,850 $12,054
4-0-2 $12,535 $14,750 $15,930 $17,700 $8,775 $10,325 $11,151 $12,390
0-4-0 $10,115 $11,900 $12,855 $14,280 $7,081 $8,330 $8,999 $9,996
1-4-0 $10,795 $12,700 $13,720 $15,240 $7,557 $8,890 $9,604 $10,668
2-4-0 $11,305 $13,300 $14,370 $15,960 $7,914 $9,310 $10,059 $11,172
0-4-1 $10,240 $12,050 $13,015 $14,460 $7,168 $8,435 $9,111 $10,122
0-4-2 $10,580 $12,450 $13,445 $14,940 $7,406 $8,715 $9,412 $10,458
0-0-4 $5,480 $6,450 $6,965 $7,740 $3,836 $4,515 $4,876 $5,418
1-0-4 $6,160 $7,250 $7,830 $8,700 $4,312 $5,075 $5,481 $6,090
2-0-4 $6,670 $7,850 $8,480 $9,420 $4,669 $5,495 $5,936 $6,594
0-1-4 $5,990 $7,050 $7,615 $8,460 $4,193 $4,935 $5,331 $5,922
0-2-4 $6,670 $7,850 $8,480 $9,420 $4,669 $5,495 $5,936 $6,594
5-0-0 $118,320 $139,200 $150,340 $167,040 $82,824 $97,440 $105,238 $116,928
5-1-0 $118,830 $139,800 $150,990 $167,760 $83,181 $97,860 $105,693 $117,432
5-2-0 $119,510 $140,600 $151,855 $168,720 $83,657 $98,420 $106,299 $118,104
5-0-1 $118,445 $139,350 $150,500 $167,220 $82,912 $97,545 $105,350 $117,054
5-0-2 $118,785 $139,750 $150,930 $167,700 $83,150 $97,825 $105,651 $117,390
0-5-0 $44,965 $52,900 $57,135 $63,480 $31,476 $37,030 $39,995 $44,436
1-5-0 $45,645 $53,700 $58,000 $64,440 $31,952 $37,590 $40,600 $45,108
2-5-0 $46,155 $54,300 $58,650 $65,160 $32,309 $38,010 $41,055 $45,612
0-5-1 $45,090 $53,050 $57,295 $63,660 $31,563 $37,135 $40,107 $44,562
0-5-2 $45,430 $53,450 $57,725 $64,140 $31,801 $37,415 $40,408 $44,898
0-0-5 $30,980 $36,450 $39,365 $43,740 $21,686 $25,515 $27,556 $30,618
1-0-5 $31,660 $37,250 $40,230 $44,700 $22,162 $26,075 $28,161 $31,290
2-0-5 $32,170 $37,850 $40,880 $45,420 $22,519 $26,495 $28,616 $31,794
0-1-5 $31,490 $37,050 $40,015 $44,460 $22,043 $25,935 $28,011 $31,122
0-2-5 $32,170 $37,850 $40,880 $45,420 $22,519 $26,495 $28,616 $31,794

Strategy

For more in-depth strategies, see Strategy:Spike Factory (BTD6).
This strategy section is empty or incomplete.
See the strategy guidelines for more information on how to write strategy sections.
  • The Spike Factory is best placed at the end of the track, so that it has the most time possible to build up spike piles.

Changes from Bloons TD 5

Test Bloon icon in BTD6 This section is empty. You can help out by adding to it.

Update history

For a complete list of Spike Factory changes, see Update history:Spike Factory (BTD6).
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  • Nerf Base projectile lifespan reduced ― 70s → 50s
    • Note: Long Reach lifespan remains at 100s
Like a few other towers before it, the attack speed crosspath for Spike Factory has outshined the others. We have reworked the lower Spike Factory tiers to distribute this power more evenly while keeping high tier factories at a similar level of power.
— Update notes
  • Nerf Cost increased ― $800 → $1,000
  • Buff Base spike factory rate increased ― 2.2s → 1.75s
  • Nerf Spike Factory no longer can shotgun spikes for exactly one frame after spawning (bug fix)

Cosmetic items

Item Category Unlock method(s) Introduced
Icon of Spike Factory Pineapples Spike Factory Pineapples Monkeys — Projectiles Trophy StoreTrophies 50 Version 23.0

Template:BTD6 achievement list by name

For more Spike Factory images, see Gallery:Spike Factory.

Screenshots

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See the screenshot guidelines for more information on what screenshots are needed and how to add them.

Assets

In other languages

Language Name / Description Notes
Arabic مصنع المسامير
إنشاء أكوام من مسامير الطريق على المسار القريب. آخر خط دفاع ممتاز.
Danish Sømfabrik
Genererer automatisk bunker af vejsøm på vejen i nærheden. En fortræffelig sidste forsvarslinje.
German Nagelfabrik
Erzeugt automatisch haufenweise Nagelsperren auf der Strecke nebenan. Eine exzellente letzte Verteidigungslinie.
Spanish Fábrica de clavos
Genera montones de abrojos de forma automática en la pista cercana. Excelente para la última línea de defensa.
Spanish (LA) Fábrica de clavos
Genera montones de abrojos de forma automática en la pista cercana. Excelente para la última línea de defensa.
Finnish Piikkitehdas
Levittää automaattisesti tiepiikkien pinoja lähellä olevalle radalle. Erinomainen viimeinen puolustuslinja.
French Usine de herses
Génère automatiquement des tas de herses sur le circuit à proximité. Excellente dernière ligne de défense.
Italian Fabbrica di aculei
Genera automaticamente mucchi di aculei da strada da collocare sui tracciati vicini. Eccellente come ultima linea di difesa.
Japanese スパイク工場
近くのトラックに路上スパイクの山を自動的に作り出す。最後の防衛線として最適。
Korean 스파이크 공장
근처의 트랙에 자동으로 로드 스파이크를 무더기로 생성합니다. 최후의 방어선으로 제격이지요.
Dutch Stekelfabriek
Genereert automatisch stapels kraaienpoten op het nabije pad. Uitstekende laatste verdedigingslinie.
Norwegian Spikerfabrikk
Genererer automatisk bunker med veispikere på banen i nærheten. Utmerket som siste forsvarslinje.
Polish Fabryka kolców
Automatycznie generuje stosy kolców drogowych na najbliższej ścieżce. Doskonała ostatnia linia obrony.
Portuguese (Brazil) Usina de Espinhos
Automaticamente cria pilhas de espinhos na pista adjacente. Excelente última linha de defesa.
Russian Шиповой завод
Автоматически генерирует кучи дорожных шипов на ближайшей трассе. Отличное средство для последней линии обороны.
Swedish Spikfabrik
Skapar automatiskt högar med vägspikar på intilliggande vägar. Utmärkt sista försvarslinje.
Thai โรงงานตะปู
สร้างกองตะปูบนถนนเส้นทางที่อยู่ใกล้เคียงโดยอัตโนมัติ เป็นแนวป้องกันสุดท้ายอันยอดเยี่ยม
Turkish Çivi Fabrikası
Yakındaki parkur üzerinde otomatik olarak bir yığın Yol Çivisi oluşturur. Mükemmel bir son savunma hattı.
Chinese (simplified) 刺钉工厂
在附近的路径上自动生成一堆道钉。堪称强大的最后防线。
Chinese (traditional) 針刺工廠
在附近的路徑上自動生成一堆路刺。優秀的最后防線。
This list was last updated for: version 43.1