Primary icon in Battles 2

Primary is a tower category in Bloons TD 6 and Bloons TD Battles 2 and a Monkey card class in Bloons Card Storm. During a game, Primary towers are distinguished by a blue background. As the name implies, this category comprises the first group of towers the player usually unlocks. In BTD6, Primary towers are unlocked at levels 2-6, with the Dart Monkey being unlocked by default, except for the Desperado which is instead obtained by popping a certain number of Bloon layers. In Battles 2, Primary towers cost  150 to purchase, though the player starts with the Dart Monkey, Bomb Shooter, and Tack Shooter for free. In BCS, Primary Monkeys require their unique token type () when crafting cards.

Characteristics

Primary towers are simple in their core functionality. They are on average cheaper to buy and to upgrade than towers of other categories, as well as having smaller footprints. Primary towers also have used the ability to slow or stall bloons, either as part of the base tower or one of its upgrades.

One particularly notable benefit of primary towers is that they receive significant buffs when placed within range of a Primary Training Village or its upgrades. This is core to many strategies that make use of primary towers.

Unlike other categories, primary towers have no methods of generating cash outside of Desperado's Bounty Hunter and Nomad upgrades, and have very few ways to buff other towers. Additionally, they have limited options for camo detection.

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List of Primary monkeys

Monkey Knowledge Cost Prerequisites Introduced
 
Extra Dart Pops
Dart Monkeys get +1 pierce to all shots.
Free — Launch
 
Fast Tack Attacks
Tack Shooter attack speed increased by 8%.
Free — Launch
 
Increased Lifespan
Longer projectile lifespan for Dart Monkey, Bomb Shooter, Tack Shooter and Glue Gunner.
Free — Launch
 
Crossbow Reach
Crossbow range increased.
Free Extra Dart Pops Launch
 
Fast Glue
Glue Gunner 10% increased attack speed.
Free Fast Tack Attacks Launch
 
Hard Tacks
Tack Shooter tacks can pop Frozen Bloons.
Free Fast Tack Attacks Launch
 
Poppy Blades
Blade Shooter upgrade gets +2 pierce.
Free Hard Tacks Launch
 
Cheap 'Rangs
Base cost of Boomerang Thrower[sic] reduced by 50.
Free Increased Lifespan Launch
 
Fraggy Frags
Frag bombs get 2 extra frags.
Free Increased Lifespan Launch
 
Extra Bounce
Increases Boomerang Ricochet pierce by 30.
Free   5 invested
Cheap 'Rangs
Launch
 
4 and 4
Dart Monkey's triple shot gets 4 darts every 4th shot.
Free   5 invested
Crossbow Reach
Launch
 
Force vs Force
Juggernaut does +2 damage per shot to MOAB-Class Bloons.
Free   5 invested
Crossbow Reach
Launch
 
Recurring 'Rangs
Boomerangs that return to the Boomerang Monkey will be thrown a second time.
Free   5 invested
Extra Bounce
Version 22.0
 
More Splatty Glue
Glue Splatter can affect 2 extra Bloons per shot.
Free   5 invested
Fast Glue
Launch
 
Budget Clusters
Bomb Shooter's Cluster Bombs cost reduced by 100.
Free   5 invested
Fraggy Frags
Launch
 
Icy Chill
Freeze radius slightly increased.
Free   5 invested
Hard Tacks
Launch
 
Big Inferno
Inferno Ring upgrade gets +3 burst radius.
Free   5 invested
Poppy Blades
Launch
 
Master Double Cross
Allows you to have TWO Crossbow Masters.
  250   8 invested
4 and 4
Launch
 
Mega Mauler
MOAB Mauler does more damage per hit.
  250   8 invested
Aviation Grade Glue
Hard Press
Launch
 
Hard Press
MOAB Press pushes back 30% further.
  250   8 invested
Extra Bounce
Launch
 
So... Cold...
Ice Monkey's Permafrost upgrade slows by 60%.
  250   8 invested
Icy Chill
Launch
 
Aviation Grade Glue
MOAB Glue slows more than normal.
  250   8 invested
More Splatty Glue
Launch
 
Cheaper Solution
Bloon Liquefier cost reduced by 1000.
  500   10 invested
Aviation Grade Glue
Launch
 
Violent Impact
Bomb Shooter's Bloon Impact stuns for 25% longer.
  500   10 invested
Budget Clusters
Launch
 
Long Turbo
Boomerang Turbo Charge ability lasts 15 seconds.
  500   10 invested
Hard Press
Launch
 
Bionic Augmentation
While Turbo Charge is active, Bionic Boomerang is able to target Camo Bloons.
  500   10 invested
Long Turbo
Version 30.0
 
Come On Everybody!
Primary towers attack 5% faster if all are below tier 3, and cost 5% less if all are tier 3 or 4.
  500   10 invested
Master Double Cross
Version 15.0
 
Big Cryo Blast
Cryo Cannon gets increased blast radius.
  500   10 invested
So... Cold...
Launch
 
Hypothermia
Snowstorm freezes Bloons for longer.
  500   10 invested
So... Cold...
Launch
 
More Cash
Increase starting cash by 200.
  1,000   10 invested
Bonus Glue Gunner
Bonus Monkey!
Launch
 
Bonus Glue Gunner
Start each game with 1 free Glue Gunner! (Only 1 free Monkey Tower per game)
  1,000   10 invested
Cheaper Solution
Version 30.0
 
Bonus Monkey!
Start each game with 1 free Dart Monkey! (Only 1 free Monkey Tower per game)
  1,000   10 invested
Come On Everybody!
Launch
Artifact Common effect Rare effect Legendary effect
 
Ceramic Chunker
Primary Monkeys deal 3 bonus damage to Ceramic Bloons Primary Monkeys deal 6 bonus damage to Ceramic Bloons Primary Monkeys deal 9 bonus damage to Ceramic Bloons
 
Critical Success
— Primary Monkeys attack 33% slower, but gain a 1 in 10 chance to Crit for 900% damage Primary Monkeys attack 33% slower, but gain a 1 in 10 chance to Crit for 1100% damage
 
Greater Primary Inspiration
Primary Monkeys have 20% more pierce, and 10% more attack range Primary Monkeys have 26% more pierce, and 14% more attack range Primary Monkeys have 36% more pierce, and 18% more attack range
 
Greater Primary Precision
Primary Monkeys deal 16% more damage and have 10% reduced shot spread Primary Monkeys deal 20% more damage and have 14% reduced shot spread Primary Monkeys deal 30% more damage and have 24% reduced shot spread
 
Greater Primary Quickening
Primary Monkeys attack speed and ability cooldowns are 8% faster, and projectile speed increased 20% Primary Monkeys attack speed and ability cooldowns are 11% faster, and projectile speed increased 26% Primary Monkeys attack speed and ability cooldowns are 18% faster, and projectile speed increased 32%
 
Heightened Perception
Primary Monkeys attack range increased 40%. Projectile speed reduced 50% Primary Monkeys attack range increased 55%. Projectile speed reduced 50% Primary Monkeys attack range increased 75%. Projectile speed reduced 50%
 
Primal Instinct
Primary Monkeys attack 20% faster when set to 'Close' target priority Primary Monkeys attack 25% faster when set to 'Close' target priority Primary Monkeys attack 35% faster when set to 'Close' target priority
 
Primary Inspiration
Primary Monkeys have 20% more pierce, and have 10% more range Primary Monkeys have 25% more pierce, and have 14% more range Primary Monkeys have 35% more pierce, and have 18% more range
 
Primary Precision
Increases Primary Monkey damage by 15%, and reduces shot spread 10% Increases Primary Monkey damage by 20%, and reduces shot spread 15% Increases Primary Monkey damage by 30%, and reduces shot spread 25%
 
Primary Quickening
Primary Monkeys attack speed and ability cooldowns are 7% faster, and projectile speed increased 20% Primary Monkeys attack speed and ability cooldowns are 11% faster, and projectile speed increased 25% Primary Monkeys attack speed and ability cooldowns are 18% faster, and projectile speed increased 35%
 
Primary Specialist
— Primary Monkeys attack speed and ability cooldowns are 25% faster. All other Monkey categories have pierce and ability cooldown speed reduced 15% Primary Monkeys attack speed and ability cooldowns are 53% faster. All other Monkey categories have pierce and ability cooldown speed reduced 15%
 
Sticky Situation
Heroes and Primary Monkeys deal 1.5x damage to glued Bloons Heroes and Primary Monkeys deal 1.75x damage to glued Bloons Heroes and Primary Monkeys deal 2x damage to glued Bloons
 
Unification
Primary Monkeys now count as all Monkey categories. Primary Monkey attack range reduced 25%. Non-Primary Monkeys deal 50% less damage and their upgrades cost 50% more Primary Monkeys now count as all Monkey categories. Primary Monkey attack range reduced 15%. Non-Primary Monkeys deal 50% less damage and their upgrades cost 50% more Primary Monkeys now count as all Monkey categories. Primary Monkey attack range reduced 0%. Non-Primary Monkeys deal 25% less damage and their upgrades cost 25% more
 
10
First Monkeys First
Win 10 games using only Primary monkeys
Reward(s):   Monkey Boost ×2,   3-0-0 Dart Monkey Insta