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Can pop up to 8 Bloons per throw.
~ In-game description

Improved Rangs is the first upgrade of Path 1 for the Boomerang Monkey in Bloons TD 6. It increases pierce of boomerangs by +4, or +100 for MOAB Press special kylies. It can be unlocked for 100 XP.

This upgrade costs $170 on Easy, $200 on Medium, $215 on Hard, and $240 on Impoppable.



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Improved Rangs

This upgrade replaces the "V" shape on the top of the Boomerang's jumpsuit with an "X". Kylie Boomerangs and MOAB Presses change color of the hat belt to red.

Increases pierce of boomerangs by 4. For most boomerangs, this increases pierce of each boomerang from 4 to 8, while pierce of Kylie Boomerang's kylies each increase from 18 to 22. For MOAB Press's special kylies, they gain +100 pierce, from 200 to 300. It has no benefit for MOAB Domination's explosions.

Targeting Priorities[]

Improved Rangs targets bloons using the standard targeting priorities. It shoots a curved movement projectile.

  • 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.

Like all Boomerang Monkeys, Improved Rangs can access Change Hands secondary targeting priority to switch hands, changing the origin and direction of the boomerangs.

Full Popology[]


Updated as of Version 31.2
Base stats
  • Boomerang:
    • Projectile, sharp type, 43 range, 1.2s attack cooldown, 1 damage, 8 pierce.
Crosspathing interactions
  • 1-x-x:
    • 1-x-<3:
      • Boomerang gains +4 pierce, for a total of 8 pierce instead of 4.
    • 1-0-3:
      • Kylie Boomerang gains +4 pierce, for a total of 22 pierce instead of 18.
    • 1-0-4:
      • Knockback Boomerang gains +100 pierce, for a total of 300 pierce instead of 200.
    • 1-0-5:
      • Knockback Boomerang gains +100 pierce, for a total of 400 pierce instead of 300.
Monkey Knowledge interactions

Attack Interactions[]

See also: Attack Interactions/Bloons TD 6/Primary
Updated as of Version 38.3
Base attack(s)
  • Boomerang:
    • Sharp Type (pops Black, White, Purple) Sharp
    • Single Projectile Single Projectile
    • Curved Attack Curved Attack


Updated as of Version 43.0. Listed prices exclude external buffs, any sacrifices, and Monkey Knowledge.
[Module | Data] Purchase Sell
Costs Easy Medium Hard Impoppable Easy Medium Hard Impoppable
Upgrade (1-X-X) $170 $200 $215 $240 -
Total (1-0-0) $435 $515 $555 $620 $305 $361 $389 $434
Crosspath (1-1-0) $585 $690 $745 $830 $410 $483 $522 $581
Crosspath (1-2-0) $795 $940 $1,015 $1,130 $557 $658 $711 $791
Crosspath (1-0-1) $520 $615 $665 $740 $364 $431 $466 $518
Crosspath (1-0-2) $775 $915 $990 $1,100 $543 $641 $693 $770

This upgrade's prices (or included crosspath's prices) are affected by the following MK: CheapRangsIcon Cheap 'Rangs, BetterSellDealsIcon Better Sell Deals



Improved Rangs greatly improves the pierce of the Boomerang Monkey, from 4 to 8. It is helpful for combating groups of bloons, especially during the early game. A rather cheap upgrade that can be afforded at the start of many games that focuses on high pierce.

Most higher-level upgrades would appreciate this upgrade as a stepping stone to the Glaives upgrade crosspath. For Bionic Boomer and above, this upgrade is usually the preferred crosspath. For Kylie Boomerang, it depends, but generally the main attack works better with the attack speed from the middle crosspath while the special rang prefers the additional pierce and push distance from this crosspath. General use case for MOAB Press without further upgrading into Glaives is mostly just increased pierce if needing to budget money very tightly.


  • Improved Rangs is useful for beating Round 4.
  • When used for early-game Races, try to look for a use case for the Improved Rangs upgrade when strapped with only a handful of starting cash. The middle crosspath is better for general DPS cases, while bottom crosspath is superior against stronger bloon types and thus higher reliability against multi-layered bloons.

Version History[]

Balance Changes[]

Only affected by base Boomerang Monkey attack speed buff and some crosspathing interactions.

  • NERF Improved Rangs total pierce for MOAB Press's special kylies decreased.
  • BUFF Affected by base Boomerang Monkey attack speed buff

Bug Fixes and General Changes[]

Extra Notes (Version History)[]


Official artwork[]


  • The Boomerang Monkey with Improved Rangs has a very similar jumpsuit to that from the Red Hot 'Rangs in BTD5.