Spiked Mines (BTD6)
For other uses, see Spiked Mines (disambiguation).
Spiked Mines
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 Spiked mines explode violently when they lose all their spikes.
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| Tower | Spike Factory — Path 1 — Tier 4 | |
|---|---|---|
| XP cost | 15,000 | |
| Cash cost | $8,075 — Easy $9,500 — Medium $10,260 — Hard $11,400 — Impoppable | |
Spiked Mines is the Spike Factory's path 1 tier 4 upgrade in Bloons TD 6. It dispenses spiked mines instead of spiked balls. Each spiked mine has 18 pierce, dealing 2 damage, with +6 Ceramic damage, and +3 Fortified damage. Upon depletion, the spiked mine explodes over 30 blast radius (40 with Long Reach). The explosion deals 10 damage to all Bloon types without Black Bloon properties, and ignites any non-Purple with a burning damage-over-time effect that inflicts 10 damage every 2 seconds for up to 6 seconds.
Stats
For a complete list of Spike Factory stats, see Stats:Spike Factory (BTD6).
This data was last updated for: version 55.1
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4-1-0
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4-2-0
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4-0-1
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4-0-2
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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 | |
| 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 |
Strategy
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This strategy section is empty or incomplete. See the strategy guidelines for more information on how to write strategy sections. |
Spiked Mines is a powerful upgrade for tanking large groups of Bloons, and sometimes for general damage via its high-damage napalm. Compared to Spiked Balls, which stands out for protecting each exit, Spiked Mines is more generally efficient on maps with single exits (e.g. Dark Castle) or overlapping lanes (e.g. Quad).
Crosspaths are recommended for Spiked Mines. Middle crosspaths are more generally useful for increased production rate, though the bottom crosspath's benefits are helpful for long-term stockpiles.
Update history
For a complete list of Spike Factory changes, see Update history:Spike Factory (BTD6).
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Upgrade cost reduced ― $14,000 → $12,000
- Overall cost reduced by $2,200 (due to cost changes for previous tiers)
- Explosion: Damage increased ― 4 → 5
- Note: Does not apply to Super Mines
- Spike: Damage to Ceramics increased ― +2 → +3
- Explosion: damage increased by 5
- Base damage of each spike increased ― 1 → 2
| “ | [W]e made a couple small tweaks buffing what should be the ‘strength areas’ of a few of the more underperforming high tier Spike upgrades. — Update notes |
” |
- Explosion: Blast radius increased ― 15 → 19
| “ | We quite liked how the lifespan changes for xx1 spikes went previously, though this still wasn’t enough to make the path competitive and increasing this number further wouldn’t have much of an impact since most earlier rounds aren’t long enough. Spiked Balls strats have also felt too strong compared to higher tiers on top path, so touching on all of these issues slightly the base lifespan of spikes has been reduced, ceramic bonus increased on 4xx; and a new bonus added to 5xx. — Update notes |
” |
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 |
” |
- Overall cost increased by $200 (due to cost changes for previous tiers)
- Base spike factory rate increased ― 2.2s → 1.75s
- 4-1-0
- Rate reduced ― 1.32s → 1.4s
- 4-2-0
- Rate increased ― 0.99s → 0.98s
| “ | Spiked Balls are used quite a lot, but we like their overall position right now so they have had only a slight bump up in price, along with a bigger decrease to the price of T4 Spiked Mines. — Update notes |
” |
- Upgrade cost reduced ― $12,000 → $11,000
- Overall cost reduced by $900 (due to cost changes for previous tiers)
| “ | Pierce amounts for Spiked Balls and Mines fits their use cases too awkwardly due to super ceramics. Considering the power of Spiked Balls, their pierce has been reduced slightly to add value to the pierce focussed higher tier in addition to a price cut for Spiked Mines. — Update notes |
” |
- Upgrade cost reduced ― $11,000 → $9,500
- Pierce reduced ― 17 → 14
“
Spike Factory 4xx feels it needs a small boost in order to really start feeling worth upgrading to rather than getting multiple T3s in the lategame due to the improved Spiked Mines pierce not being as needed for Super Ceramics.
— Update notes
— Update notes
”
- Spiked Mines spikes bonus to fortified increased ― +1 → +3
- Spiked Mines explosions bonus to fortified increased ― +1 → +3
| “ | Spiked Mines explosion radius doesn’t hit too much since it’s almost always centered just in front of the ‘first bloon in a pack’ to hit it in most effective use cases — Update notes |
” |
- Explosion radius increased ― 19 → 30
| “ | Permaspike, while admittedly not often utilized to its max potential, has sat in a dominant high end position for a long time so we are shifting it away from such high pierce into more damage per pierce. — Update notes |
” |
- Pierce per spiked ball reduced ― 14 → 12
| “ | We’ve heard the feedback, so Spiked Mines get a tweak to get more mines exploding but with less pierce on each, to overall increase quality of life in more frequent use but less wasted pierce. This will help out with some of the problems it has scaling into late game super ceramics. — Update notes |
” |
- Spike pierce increased ― 12 → 20
- Spiked Mines Explosion: pierce reduced ― 40 → 30
- Note: Super Mines explosion pierce remains at 60
- DoT: damage increased ― 1 → 10
| “ | Further balance for 401 crosspath, while this does already see some niche use it made sense to include increased explosion radius with the larger tower range. — Update notes |
” |
- 4-0-1, 4-0-2
- Explosion: Radius increased ― 30 → 40
- Spike Factory no longer can shotgun spikes for exactly one frame after spawning (bug fix)
| “ | Small spike pierce reduction for the Spiked Mines as it’s finally coming into a strong spot on its own. — Update notes |
” |
- Spike pierce reduced ― 20 → 18
- Damage over time: Duration increased ― 6.0s → 6.05s (bug fix)
- Note: This change solved an issue where the final tick of the damage was not being applied
Gallery
For more Spike Factory images, see Gallery:Spike Factory.
Screenshots
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Assets
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Portrait -
Upgrade icon -
Insta Monkey icon
In other languages
| Language | Name / Description | Notes | |
|---|---|---|---|
| Arabic | الألغام المسننة انفجار الألغام المسننة بعنف عندما فقدان جميع أشواكها. |
— | |
| Danish | Sømminer Sømminer eksploderer voldsomt, når de mister alle deres søm. |
— | |
| German | Nagelminen Nagelminen explodieren heftig, wenn sie alle Nägel verloren haben. |
— | |
| Spanish | Minas con clavos Las minas con clavos explotan con violencia cuando pierden todos sus clavos. |
— | |
| Spanish (LA) | Minas con clavos Las minas con clavos explotan con violencia cuando pierden todos sus clavos. |
— | |
| Finnish | Piikkimiinat Piikkimiinat räjähtävät voimallisesti, kun ne menettävät kaikki piikkinsä. |
— | |
| French | Mines pointues Les mines pointues explosent violemment lorsqu'elles perdent toutes leurs pointes. |
— | |
| Italian | Mine acuminate Le mine acuminate esplodono violentemente quando perdono tutti gli aculei. |
— | |
| Japanese | スパイク付き地雷 スパイク付き地雷のスパイクがなくなると、激しく爆破する。 |
— | |
| Korean | 스파이크 지뢰 스파이크를 모두 잃으면 스파이크 지뢰가 폭발합니다. |
— | |
| Dutch | Stekelmijnen Stekelmijnen exploderen heftig als ze al hun stekels verliezen. |
— | |
| Norwegian | Spikerminer Spikerminer eksploderer voldsomt når de mister alle spikerne sine. |
— | |
| Polish | Kolczaste miny Kolczaste miny brutalnie eksplodują, gdy stracą wszystkie kolce. |
— | |
| Portuguese (Brazil) | Minas de Espinhos Minas de espinhos explodem violentamente quando perdem todos os espinhos. |
— | |
| Russian | Шипованные мины Колючие ядра мощно взрываются, потеряв все шипы. |
— | |
| Swedish | Spikminor Spikminor exploderar våldsamt när de förlorar alla sina spikar. |
— | |
| Thai | กับระเบิดตะปู กับระเบิดตะปูระเบิดอย่างรุนแรงเมื่อสูญเสียตะปูทั้งหมดไป |
— | |
| Turkish | Dikenli Mayınlar Çivili mayınlar tüm çivileri yok olduğunda şiddetli bir şekilde patlar. |
— | |
| Chinese (simplified) | 刺钉地雷 在失去刺钉后，刺钉地雷会猛烈爆炸。 |
— | |
| Chinese (traditional) | 帶刺地雷 帶刺地雷在失去所有針刺後劇烈爆炸。 |
— | |
| This list was last updated for: version 43.1 | |||
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