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Rainbow bloons are fast and mean, and have 2 blacks and 2 whites in them.
~ Round 12 in Bloons TD 3


The Rainbow Bloon is a bloon that originally appeared in Bloons Tower Defense 2 and has appeared in every other BTD game since. It is the parent of two Black and White Bloons in BTD2 and BTD3, and the parent of two Zebra Bloons in BTD4, BTD5, and BTD6. Rainbow Bloons are quite fast, having a relative speed of 2.2 compared to a Red Bloon. They are faster than White Bloons but still slower than Ceramic Bloons. In the original Bloons, there is a Helium Bloon, which is also rainbow colored and is often confused with this type of bloon. It first appears on round 12 in BTD2 and BTD3 and on round 35 in later games.

Details[]

The Rainbow Bloon is one rank above Zebra Bloon (or Black Bloon and White Bloon prior to BTD4) in Bloons TD games. It is around the speed of a Green Bloon (?) and leaks 47 lives (TBA lives pre-BTD4) if it reaches the exit. As per the multi-layer health system, a popped Rainbow Bloon splits into two Zebra Bloons when affected by an attack that deals 1 damage. More damage pops the Rainbows Bloon into its descendants, following the multi-layer health system of many bloons in the game. The Rainbow Bloon's parent is the Ceramic Bloon.

In Bloons TD games and Bloons Pop!, the Rainbow Bloon lacks any immunity but possesses offspring with relentless immunity against explosive and freezing. In most games, except BTD5 Mobile and other mobile counterparts, a Rainbow Bloon dealt with more than one damage can bypass explosion-immune and freeze-immune layers even with any damage type. An example of this is Really Big Bombs popping a Rainbow into 8 Pink Bloons with an explosion dealing 3 damage, despite the explosion being unable to deal damage to Blacks or Zebras direclty.

Combat[]

Rainbow Bloons are relatively strong bloons because, although its own layer is easy to pop, it can spawn a large total of bloons, summing up to 47 bloons per Rainbow Bloon. It is also relatively fast too, having a relative speed of 2.2 compared to a Red Bloon. Many towers or towers with high upgrades are well recommended to dealing with these bloons.

Super Ceramic behavior[]

In Rounds 86+ in BTD5, Rounds 30+ in both Bloons Monkey City Flash and Mobile, Rounds 35+ in BTDB Flash, Rounds 43+ in BTDB Mobile, and Rounds 81+ in BTD6, with the introduction of Super Ceramics, Rainbow Bloons will only spawn one Zebra Bloon when popped. Additionally, that Zebra will only pop into one White Bloon, and that White will only pop into one Pink Bloon, greatly reducing the total amount of child bloons in late-game.

Appearances[]

Pre-BTD4 generation games
BTD4 generation games
BTD5 generation games
BTD6 generation games

Round Appearances[]

The following are all appearances on each round where Black Bloons will spawn naturally from the entrance. These will not include the rounds where the Black's parents or subsequent parents will feature.

BTD2[]

  • Round X: TBA
  • Round X: TBA
  • Round X: TBA

BTD3[]

  • Round X: TBA
  • Round X: TBA
  • Round X: TBA

BTD4[]

  • Round X: TBA
  • Round X: TBA
  • Round X: TBA

BTD5[]

  • Round X: TBA
  • Round X: TBA
  • Round X: TBA

BTD6[]

Normal Gameplay[]

  • Round 35: 35 Pink, 30 Black, 25 White, 5 Rainbow
  • Round 39: 10 Black, 10 White, 20 Zebra, 18 Rainbow, 2 Rainbow Regrowth
  • Round 42: 6 Rainbow Regrowth, 5 Rainbow Camo
  • Round 43: 10 Rainbow, 7 Ceramic
  • Round 45: 180 Pink, 10 Purple Camo, 4 Fortified Lead, 25 Rainbow
  • Round 48: 40 Pink Regrowth, 30 Purple Camo Regrowth, 40 Rainbow, 3 Fortified Ceramic
  • Round 49: 343 Green, 20 Zebra, 20 Rainbow, 10 Rainbow Regrowth, 18 Ceramic
  • Round 51: 10 Rainbow Regrowth, 15 Ceramic Camo
  • Round 52: 25 Rainbow, 10 Ceramic, 2 M.O.A.B.
  • Round 56: 40 Rainbow Camo, 1 M.O.A.B.
  • Round 57: 40 Rainbow, 4 M.O.A.B.
  • Round 62: 250 Purple, 15 Rainbow Camo Regrowth, 5 M.O.A.B., 2 Fortified M.O.A.B.
  • Round 65: 100 Zebra, 70 Rainbow, 50 Ceramic, 3 M.O.A.B., 2 B.F.B.
  • Round 70: 120 White Camo Regrowth, 200 Rainbow, 4 M.O.A.B.
  • Round 78: 80 Purple, 150 Rainbow, 75 Ceramic, 72 Ceramic Camo, 1 B.F.B.
  • Round 79: 500 Rainbow Regrowth, 4 B.F.B., 2 Fortified B.F.B.

Alternate Bloons Rounds[]

  • Round 26: 15 Black, 3 Zebra, 2 Rainbow
  • Round 32: 10 Purple, 5 Rainbow, 3 Ceramic
  • Round 34: 200 Green, 6 Rainbow
  • Round 38: 42 Purple, 17 Black, 14 Lead, 7 Rainbow, 1 Ceramic Regrowth
  • Round 39: 10 White Camo, 20 Zebra, 15 Rainbow, 2 Camo Rainbows
  • Round 42: 11 Rainbow Camo Regrowth
  • Round 43: 10 Rainbow, 2 M.O.A.B.
  • Round 49: 300 Yellow Regrowth, 10 Zebra Camo, 10 Rainbow Camo, 10 Rainbow Regrowth, 14 Ceramic Regrowth
  • Round 52: 35 Rainbow, 5 Ceramic Regrowth, 5 Fortified Ceramic, 1 M.O.A.B, 1 Fortified M.O.A.B.
  • Round 59: 50 Lead Camo Regrowth, 20 Fortified Ceramic, 25 Rainbow
  • Round 65: 70 Rainbow, 50 Fortified Ceramic, 3 Fortified M.O.A.B, 3 B.F.B.
  • Round 70: 200 Rainbow, 6 Fortified M.O.A.B.
  • Round 79: 500 Rainbow Camo, 4 Fortified B.F.B, 1 Z.O.M.G.

Bloons Pop![]

  • Level X
  • Level X

Variants[]

Bloons TD 6[]

Properties
Image Camo Regrowth Fortified Name Appearances
BTD6Rainbow.png BadMaimMoabParticle.png BadMaimMoabParticle.png BadMaimMoabParticle.png Rainbow Bloon Round 35
BTD6CamoRainbow.png TickGreenIcon.png BadMaimMoabParticle.png BadMaimMoabParticle.png Rainbow Camo Bloon Round 42
RegrowRainbow.png BadMaimMoabParticle.png TickGreenIcon.png BadMaimMoabParticle.png Rainbow Regrow Bloon Round 39
BTD6CamoRegrowRainbow.png TickGreenIcon.png TickGreenIcon.png BadMaimMoabParticle.png Rainbow Camo Regrow Bloon Round 62
36px BadMaimMoabParticle.png BadMaimMoabParticle.png TickGreenIcon.png Fortified Rainbow Bloon Only in-game code
36px TickGreenIcon.png BadMaimMoabParticle.png TickGreenIcon.png Fortified Rainbow Camo Bloon Only in-game code
36px BadMaimMoabParticle.png TickGreenIcon.png TickGreenIcon.png Fortified Rainbow Regrowth Bloon Only in-game code
36px TickGreenIcon.png TickGreenIcon.png TickGreenIcon.png Fortified Rainbow Camo Regrowth Bloon Only in-game code
Skins/Costumes
36px Googly Eyed Bloons
36px Top Hat Bloons
36px Hatchet Bloons
36px Santa Hats Bloons
36px Trucker Hats Bloons
36px Bunny Ear Bloons
36px Beard Bloons

Hierarchy[]

Bloon Layers
BTD63DBAD.png
Big Airship of Doom
BTD63DDDT.png
Dark Dirigible Titan
BTD63DZOMG.png
Zeppelin Of Mighty Gargantuaness
BTD63DBFB.png
Brutal Flying Behemoth
BTD63DMOAB.png
Massive Ornary Air Blimp
BTD6Ceramic.png
BTD6Rainbow.png
Rainbow Bloon
BTD6Zebra.png
BTD6Lead.png
BTD6Black.png
BTD6Purple.png
Camo Bloon BTD4.png
BTD6White.png
BTD6Pink.png
BTD6Yellow.png
BTD6Green.png
BTD6Blue.png
BTD6Red.png

Bloon Layers
BTD63DBAD.png
Big Airship of Doom
BTD63DDDT.png
Dark Dirigible Titan
BTD63DZOMG.png
Zeppelin Of Mighty Gargantuaness
BTD63DBFB.png
Brutal Flying Behemoth
BTD63DMOAB.png
Massive Ornary Air Blimp
BTD6Ceramic.png
BTD6Rainbow.png
Rainbow Bloon
BTD6Zebra.png
BTD6Lead.png
BTD6Black.png
BTD6White.png
BTD6Pink.png
BTD6Purple.png
BTD6Yellow.png
BTD6Green.png
BTD6Blue.png
BTD6Red.png

Bloon Layers
DDT OMG.png
Dark Dirigible Titan
ZOMG rightways.png
Zeppelin Of Mighty Gargantuaness
BFB 2.png
Brutal Flying Behemoth
MOAB 2.png
Massive Ornary Air Blimp
Ceramic Bloon.png
Rainbow Bloon.png
Rainbow Bloon
Zebra Bloon.png
Lead Bloon.png
Black Bloon.png
White Bloon.png
Pink Bloon.png
Yellow Bloon.png
Green Bloon.png
Blue Bloon.png
Red Bloon.png

Bloon Layers
BTD4BFB.png
Brutal Flying Behemoth
BTD4MOAB.png
Massive Ornary Air Blimp
BTD4 Brown.png
Rainbow Bloon.png
Rainbow Bloon
Zebra Bloon.png
Lead Bloon.png
Black Bloon.png
White Bloon.png
Pink Bloon.png
Camo Bloon BTD4.png
Yellow Bloon.png
Green Bloon.png
Blue Bloon.png
Red Bloon.png

Strategies[]

Main article: Rainbow Bloon/Strategies

Monkey vs Monkey (BMC)[]

Rainbow Bloons are unlocked by the Multilayer Tech upgrade. It costs City Cash3500 and BloonstoneIcon.png5 to research at the Bloon Research Lab. In BMC Mobile, Multilayer Tech requires the Bloon Compression Tank.

Update History (Bloons TD Battles Mobile)[]

The Rainbow Bloon (specifically the grouped version) has become notorious among players for being hard to defend, especially when paired with the regrowth property, having earned the nickname Regrow Rainbows Of Doom (RROD). However, it's since been nerfed overall via game updates to make it more costlier and less effective to send.

?

  • Nerf Grouped Rainbow Bloons price increased ($450 → $675).

4.1

  • Buff Grouped Rainbow Bloons price decreased ($675 → $550).
  • Nerf Grouped Rainbow Bloons spacing increased by 20%.

Quotes[]

Check out this pretty bloon coming up...
~ Round 12 in Bloons TD 2
At the end of the next round are 3 rainbow bloons. They contain 2 Zebra bloons, enjoy.
~ Round 35 in Bloons TD 4
Rainbow bloons, pretty fast, pretty mean, and pretty pretty. They're rainbows after all, right?
~ Round 35 in Bloons TD 5
Ring a round the rosie, a pocketful of - Rainbow Bloons.
~ BTD5 round 56

Gallery[]

Trivia[]

  • It changed its appearance twice throughout the series. In Bloons TD 2 and Bloons TD 3, it has a red spiral, and looked like the Helium Bloon in Even More Bloons, while in Bloons TD 4, it has a vertical rainbow pattern. In BTD5 it was just different color lines that don't fade/collide together
  • In BTD3, it makes its first appearance before any of its children.
  • When an Ice Tower upgraded with Snap Freeze freezes a Rainbow Bloon, the Rainbow Bloon will pop leaving behind two Zebra Bloons in its place (shown to the right). Though they are immune to bombs and ice, the Zebra Bloons will be frozen. This one of the few known ways to freeze a Zebra Bloon, the other way is to use the Viral Frost.
  • In BTD2 and BTD3, it is the only bloon to contain two different types of bloon, while in BTD4 and BTD5, it is the Zebra Bloon. In BTD6, the B.A.D. does too.
  • Although the Rainbow Bloon is a rainbow-colored bloon, it is not the parent of any bloon that is any color of the rainbow.
  • The Rainbow Bloon in Bloons Super Monkey only has 6 layers.
  • Before Round 35 in Bloons Tower Defense 4, the game tricks the player by saying there are 3 Rainbow Bloons at the end of the level. There are 3 Rainbow Bloons at the end of the level, but only after 5 are seen earlier in the level.
  • In BTD2, round 43's pre-round comment is misspelled and it says "Letting a raindbow bloon escape will cost you the princely sum of 37 lives!". "Princely sum" means a humorously large amount.
  • The official last appearance for Rainbow Bloons in BTD5 is Round 82, where Camo Regen Rainbows among with B.F.Bs incoming, though it wouldn't be a problem because camo detectors used in Round 78 can usually handle it, it also gives Ice Shards and Bloon Area Denial System ability come through it's spotlight since they can hit the B.F.Bs from behind.