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BTD6

Throws out secondary bombs instead of sharp fragments every shot.
~ In-game description

Cluster Bombs is the third upgrade of Path 3 for the Bomb Shooter in Bloons TD 6. It allows the Bomb Shooter to produce 8 smaller secondary explosions instead of fragments (from the Frag Bombs upgrade). Positions of these clusters may change slightly between each other, but they are fairly consistent overall. Each secondary explosion pops up to 10 bloons (16 with Bigger Bombs and 26 with Heavy Bombs) and has a blast radius of ~15 (roughly ~22.5 with Bigger Bombs). These secondary explosions are actually larger than the main explosions.

Unlike previous games, Cluster Bombs do pop Black Bloons, as its previous upgrade now converts explosions into "fraggy explosions" starting from Version 28.0.

This upgrade costs $680 on Easy, $800 on Medium, $865 on Hard, and $960 on Impoppable.

Description[]

Appearance[]

This upgrade recolors the cannon from black to a light green base and a thinner yellow barrel. The reinforce gains two bands around it.

With path 1 crosspathing, the base gains 1 or 2 dark red stripes.

With path 2 crosspathing, the base gains fins and turns light grey.

Mechanics[]

Cluster Bombs causes every bomb to produce 8 smaller additional explosions, each dealing 1 damage with 10 pierce in an Orbital Spray.

The cluster explosions gain as much pierce and damage from path 1 crosspathing as the main explosion.

Targeting Priorities[]

Cluster Bombs targets bloons using the standard targeting priorities. It shoots straight movement projectiles.

  • First: Targets the first bloon visible within its range.
  • Last: Targets the last bloon visible within its range.
  • Close: Targets the closest bloon visible within its range.
  • Strong: Targets the strongest bloon visible within its range.

Costs[]

Updated as of Version 31.0. Listed prices exclude buffs, sacrifices, and Monkey Knowledge.
Purchase Sell
Costs Easy Medium Hard Impoppable Easy Medium Hard Impoppable
Upgrade (X-X-3) $680 $800 $865 $960 -
Total (0-0-3) $1,550 $1,825 $1,970 $2,190 $1,085 $1,278 $1,379 $1,533
Crosspath (1-0-3) $1,845 $2,175 $2,350 $2,610 $1,292 $1,523 $1,645 $1,827
Crosspath (2-0-3) $2,395 $2,825 $3,050 $3,390 $1,677 $1,978 $2,135 $2,373
Crosspath (0-1-3) $1,760 $2,075 $2,240 $2,490 $1,232 $1,453 $1,568 $1,743
Crosspath (0-2-3) $2,100 $2,475 $2,670 $2,970 $1,470 $1,733 $1,869 $2,079

This upgrade's prices (or included crosspath's prices) are affected by the following MK: BudgetClustersIcon.png Budget Clusters, BetterSellDealsIcon.png Better Sell Deals

Strategy[]

Summary[]

Cluster Bombs is an effective early-game option for destroying dense groups of bloons. Cluster Bombs usually performs better than Really Big Bombs in most situations, because the combination of all its secondary explosions cover a wider blast radius while occasionally overlapping damage to the same bloon(s), dealing a lot of damage versus weaker and stronger bloons. In addition, Cluster Bombs surprisingly deals good damage versus MOAB-class bloons for its price, although still weaker than MOAB Mauler in that regard.

The main purpose of Cluster Bombs is to be used for extensive explosion coverage, which allows it to deal good damage against various types of grouped regular bloons. Cluster Bombs becomes exceptionally more powerful with the Path 1 crosspaths, specifically with Heavy Bombs, as its secondary explosions are also affected by the extra damage benefits. Especially when paired with Striker Jones, a single 2-0-3 Cluster Bombs can easily deal great damage versus early mid-game grouped bloons for its price, and still counters them nicely even without him due to Version 28.0 providing it with innate black-popping.

Tips[]

  • Use this upgrade to pop many bloons at once. Its primary purpose is to expand its explosion range across many more bloons through the addition of extra explosions.
  • The 2-0-3 Cluster Bombs crosspath is usually better, as its secondary explosions can deal much more damage to bloons that the larger explosions can touch. In most applications, more pierce per explosion is useful to have. 0-2-3 is better when paired with buffs such as Berserker Brew, utilizing the bonus benefits from them much more effectively overall, particularly from the damage and attack speed bonuses.
  • Note that it exchanges its fragment shots from Frag Bombs with secondary clusters, but they pop Black Bloon properties as of Version 28.0. However, Cluster Bombs deals much better damage across wide groups.
  • Cluster Bombs is actually cheaper than Really Big Bombs, although a 2-0-3 Cluster Bombs costs $100 more than a 3-0-0 Really Big Bombs (if BudgetClustersIcon.png Budget Clusters is enabled, they have the same cost instead). Cluster Bombs can also be further upgraded to Recursive Cluster to create even more widespread explosions overall, a great option for wiping out grouped bloons with further ease.
  • Adding Striker Jones can help the overall performance of Cluster Bombs by granting attack speed bonuses, just as he would for MOAB Maulers and Recursive Clusters.
  • Cluster Bomb spam works well with Primary Expertise due to the support's significant boosts. This combo also pairs well with MOAB Eliminator in addition to Striker Jones.

Version History[]

Prior to Version 28.0, which gave Cluster Bomb explosions black-popping power, Cluster Bombs remained fairly similar compared to when it was first released, although with a bit of improvements to bomb crosspathing as well as small pierce adjustments for Bomb Shooters in general. During the release of Version 28.0, the BTD6 community also discovered the Striker + Cluster spam as a viable alternative to Mauler spam; the main difference being Clusters nearby a Primary Expertise and using MOAB Eliminator for destroying BADs.

22.0
  • Nerf Base primary bomb pierce decreased (18 → 14)
  • Nerf Adding Bigger Bombs adds less pierce bonus for primary and secondary explosions (+10 → +6)
  • Buff Adding Heavy Bombs now adds a pierce bonus for primary and secondary explosions (+0 → +10)
28.0
[...] 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.
~ Ninja Kiwi
  • Buff Damage type changed from Explosion Type (pops White, Purple, Lead, Frozen) Explosion to Normal Type (pops Black, White, Purple, Lead, Frozen) Normal.

Gallery[]

Official artwork[]

Projectiles[]

Trivia[]

  • Cluster Bombs is the cheapest Tier 3 Bomb Shooter upgrade in BTD6, even when accounting collective costs. This was even the case before the MOAB Mauler price nerf.


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