Recursive Cluster (BTD6)

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Recursive Cluster
Portrait of Recursive Cluster
Icon of Recursive Cluster Every second shot the cluster bombs send out more cluster bombs for even more destruction.
Tower Path Tier
Bomb Shooter 3 4
XP cost 10,000
Cash cost $2,380 — Easy
$2,800 — Medium
$3,025 — Hard
$3,360 — Impoppable

Recursive Cluster is the Bomb Shooter's path 3 tier 4 upgrade in Bloons TD 6. It increases the damage of all attacks by +1, and causes every other cluster bomb to be "recursive", meaning its clusters themselves each form 8 more clusters. These sub-clusters deal 2 Explosion damage, and have 4x pierce of the main clusters (32, 56 with 1-0-4, 96 with 2-0-4). Recursive bombs' main explosion also have increased pierce, from 14 to 18.

Stats

Template:BTD6 stat list by upgrade

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
0-0-4 $3,465 $4,075 $4,400 $4,890 $2,426 $2,853 $3,080 $3,423
1-0-4 $3,675 $4,325 $4,670 $5,190 $2,573 $3,028 $3,269 $3,633
2-0-4 $4,225 $4,975 $5,370 $5,970 $2,958 $3,483 $3,759 $4,179
0-1-4 $3,675 $4,325 $4,670 $5,190 $2,573 $3,028 $3,269 $3,633
0-2-4 $4,015 $4,725 $5,100 $5,670 $2,811 $3,308 $3,570 $3,969

Strategy

Recursive Cluster is excessively powerful in Race Events, thanks to its extremely high pierce wiping out extreme amounts of Bloons at once, but either Striker Jones or another tower is required for Black Bloons. Outside of races, Recursive Cluster is a good mid-game tower to counter clumped Bloons, but is not as powerful. Its power falls off starting on Round 81 due to Super Ceramics appearing, though Recursive Clusters can still be spammed for Rounds 81-100 on easier maps, where they have more time to clean up Super Ceramics.

If using Recursive Cluster spam, Striker Jones is the recommended Hero due to his plethora of buffs to Bomb Shooters. Primary Mentoring is recommended as well, due to it granting free Tier 1 upgrades. 2-0-4 is the optimal crosspath for races and Bloonarius due to the supreme importance of pierce there, though 0-2-4 is better elsewhere due to it dealing more single-target damage.

Update history

For a complete list of Bomb Shooter changes, see Update history:Bomb Shooter (BTD6).
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  •   Recursive shot now triggers every 2nd shot instead of every 3rd shot
  •   Upgrade cost increased ― $2,400 → $2,800
Some low tier Bomb pierce has been shifted further up into the 2xx Heavy Bombs upgrade to effectively nerf 130 Mauler meta in price, but the price of these upgrades and MOAB Damage of T4 Maulers have both been buffed to benefit other variations of bomb better.
— Update notes
  •   Pierce reduced ― 18 → 14
We’ve acknowledged that Frag Bombs have felt like an inconsistent crosspath both in what they add to the tower and what they lose when upgraded further on their own path, so now in addition to frags popping Black Bloons xx2+ will allow all attacks from the tower to pop Black.
— Update notes
  •   Overall cost reduced by $75 (due to cost changes for previous tiers)
  •   Explosion: Damage type changed ― Explosion → Normal
Cluster Bombs has far superior pierce over top path which is the actual pierce path while also providing better overall cleanup power, so for now we’d like to reign those in a little closer.
— Update notes
  •   Cluster pierce reduced ― 10 → 8
  •   Tertiary bomb pierce reduced ― 60 → 48 (undocumented)
Upon closer inspection, Recursive Cluster has been hitting pierce in the 100’s, far more than was really intended for it so we are pulling back on this but adding in some fortified bonus to cancel out this large weakness the upgrade has.
— Update notes
  •   Now deals +1 damage to Fortified
  •   Second cluster pierce multiplier ― x6 → x3
    • Note: Pierce reduced for all crosspaths. 004: 48 → 24, 104: 84 → 42, 204: 144 → 72
Recursive Cluster is also having the pierce of the recursions increased a little again; while we felt it needed a nerf earlier, the amount cut from it last time was too high.
— Update notes
  •   Secondary Cluster: Pierce multiplier increased ― ×3 → ×4
A while ago Frag Bombs was reworked to give Bomb normal type damage however we were not happy with the results of that change in the end, we didn’t want to go back and remove that again without giving back something nice in return so it has taken a while but now we have decided to go ahead with changing that back
— Update notes
  •   Explosion: Damage type changed ― Normal → Explosion
    • Note: Bloon Crush and MOAB Eliminator are unchanged
  •   Explosion: No longer deals +1 damage to Fortified
  •   Explosion: Damage increased ― 1 → 2
For a crosspathing trial we’re removing the limits on Frags buffability & also giving more of a range boost to Extra Range.
— Update notes
  •   Overall cost reduced by $150 (due to cost changes for previous tiers)
  •   Range bonus increased ― +7 → +12
    • Note: xx2 total range bonus increased from +9 to +14
0-2-4
  •   Missile Launcher projectile speed modifier now applies to tertiary projectiles
    • Note: This increases area coverage, but reduces damage in the middle
Players found the recent increased coverage of 024 recursive too much, but we like the functionality so we’ve tightened the spread for the base xx4 recursive to make 024 about the same as it was before but 004 even tighter.
— Update notes
  •   Main explosion: pierce increased ― 14 → 22
  •   Recursive explosion: Minimum distance for the spread of the cluster projectile reduced ― 30 → 20
  •   Recursive explosion: Maximum distance for the spread of the cluster projectile reduced ― 36 → 30
Cutting down roughly 10% on all bottom path upgrade costs as especially on Bomb Blitz even after recent buffs there are many downsides that need to be covered to use this path effectively.
— Update notes
  •   Upgrade cost reduced ― $2,800 → $2,500
    •   Overall cost reduced by $400 (due to cost changes for previous tiers)
MOAB Assassin has traded the small ceramic bonus for MOAB-Mauling frag synergy, and to make things more frag-tastic the ability now also synergizes with frags for added flair.
— Update notes
For more Bomb Shooter images, see Gallery:Bomb Shooter.

Screenshots

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Artwork and icons

In other languages

Language Name / Description Notes
Arabic الكتلة المتكررة
في كل ثانية يتم إطلاق قنابل عنقودية، يتم إرسال المزيد من القنابل العنقودية لمزيد من الدمار.
Danish Gentagen Klynge
For hvert andet skud affyrer klyngebomberne flere klyngebomber for at øge ødelæggelsen.
German Rekursiv-Cluster
Jeder zweite Schuss der Streubombe sendet mehr Streubomben aus die noch mehr verheeren.
Spanish Racimo recursivo
Cada segundo tiro las bombas de racimo sueltan más bombas de racimo y causan aún más destrucción.
Spanish (LA) Racimo recursivo
Cada segundo tiro las bombas de racimo sueltan más bombas de racimo y causan aún más destrucción.
Finnish Rekursiivinen klusteri
Joka 3. laukauksella rypälepommit lähettävät enemmän rypälepommeja vieläkin suurempaa tuhoa varten.
French Sous-munitions récurrentes
Tous les deux tirs, les bombes à sous-munitions envoient davantage de bombes à sous-munitions pour une destruction encore plus considérable.
Italian Bombardamento ripetuto
Ogni due colpi le bombe a grappolo lanciano altre bombe a grappolo per causare ancora più distruzione.
Japanese 再帰的クラスター
撃ったクラスター爆弾が、毎秒もっと沢山のクラスター爆弾を放出し、破壊力が増す。
Korean 순환 집속탄
2발마다 집속탄이 더 많은 집속탄을 방출해 더 많이 파괴합니다.
Dutch Recursiecluster
Bij elk tweede schot verspreiden de clusterbommen meer clusterbommen voor nog meer vernietiging.
Norwegian Rekursiv klase
For hvert 2. skudd klasebomben sender ut kommer det flere klasebomber for å gjøre enda mer ødeleggelse.
Polish Rekurencyjne kasetowe
Co drugi strzał bomby kasetowe wyrzucają jeszcze więcej bomb kasetowych, co zwiększa destrukcję.
Portuguese (Brazil) Fragmentação Recursiva
A cada segundo disparo a bomba de fragmentação lança ainda mais fragmentos para maior destruição.
Russian Кассетная бомба
Каждый 2-й выстрел кассетные бомбы выпускают ещё больше кассетных бомб увеличивая масштаб разрушений.
Swedish Bedövande kluster
Vartannat skott skickar klusterbomberna ut fler klusterbomber för ännu mera förstörelse.
Thai คลัสเตอร์ซ้ำซ้อน
ทุกนัดที่สอง ระเบิดคลัสเตอร์จะกระจายระเบิดคลัสเตอร์อีกทอด เพื่อพลังทำลายล้างที่มากขึ้น
Turkish Tekrarlı Yığın
Misket bombaları her saniye atıldığında çok daha fazla yıkım için daha fazla misket bombası gönderir.
Chinese (simplified) 循环集束
每2次射击发射更多集束炸弹,造成更大的破坏。
Chinese (traditional) 遞迴群集
每兩次射擊,群集炸彈會射出更多的群集炸彈,造成更多的破壞。
This list was last updated for: version 43.1