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All Primary Monkeys in radius get more range, pierce and projectile speed.
~ In-game description

Primary Training is the third upgrade of Path 1 for the Monkey Village in Bloons TD 6. It grants a new exclusive buff that only affects nearby Primary Monkeys, increasing their pierce by +1, range by +10%, and projectile speed by +25%. Other towers within range receive only benefits from Jungle Drums.

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



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Primary Training

Primary Training becomes a wooden hut with four legs and a triangular roof made with planks. On top of this roof is a red rectangular flag that flies. There is a dart on the player's right of the hut's roof. A wooden ladder leading to the red-framed entrance stands vertically. The bongos from Jungle Drums remain on the player's left, sitting on the ground.

Adding Path 2 crosspaths adds the usual radio masts from the respective upgrades, Grow Blocker and Radar Scanner, initially a rotating sonar dish and then a bidirectional sonar dish. Adding Path 3 crosspaths, specifically from Monkey Business and Monkey Commerce, give wooden crates on the player's right and a banana logo pasted on the top of the front exterior wall, respectively.

Primary Training adds a new Primary-exclusive buff on top of benefits from the Jungle Drums upgrade. On top of +17.6% attack speed and +10% range, the affected Primary Monkeys gain +1 pierce, further +10% range, and +25% projectile speed.

Targeting Priorities[]

Primary Training supports nearby towers with influential tower buffs. However, for simplicity reasons, Primary Training has no targeting priorities.


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 (3-X-X) $680 $800 $865 $960 -
Total (3-0-0) $3,315 $3,900 $4,210 $4,680 $2,321 $2,730 $2,947 $3,276
Crosspath (3-1-0) $3,525 $4,150 $4,480 $4,980 $2,468 $2,905 $3,136 $3,486
Crosspath (3-2-0) $5,225 $6,150 $6,640 $7,380 $3,658 $4,305 $4,648 $5,166
Crosspath (3-0-1) $3,740 $4,400 $4,750 $5,280 $2,618 $3,080 $3,325 $3,696
Crosspath (3-0-2) $4,165 $4,900 $5,290 $5,880 $2,916 $3,430 $3,703 $4,116

This upgrade's prices (or included crosspath's prices) are affected by the following MK: FlatPackBuildingsIcon Flat Pack Buildings, BetterSellDealsIcon Better Sell Deals



Primary Training is a rather anomalous upgrade for the Monkey Village. At a cost less than its preceding upgrade, Jungle Drums ($1500 compared to $800), Primary Training adds additional benefits to only Primary Monkeys on top of the usual 15% attack speed bonus from the preceding upgrade and 10% range from the default Monkey Village stat bonuses. That means that only Dart Monkeys, Boomerang Monkeys, Bomb Shooters, Tack Shooters, Ice Monkeys, and Glue Gunners will benefit from the Primary Training upgrade bonuses on top of the pre-existing bonuses granted by the predecessor upgrade.

Overall, this is a good upgrade to pursue if the player's main towers include Primary Towers. While generally not needed, note that Primary Mentoring is an upgrade that comes after Primary Training, and improves the buff.


  • Range bonus benefits will help on all towers but especially so on the short-ranged Ice Monkeys and Tack Shooters, allowing them to have larger coverage of the track.
  • This upgrade tends to benefit Tack Shooters the best, since they have short range and low pierce. In addition, tacks flying faster can improve the Tack Shooters' accuracy.
  • Increased projectile speed benefits are not nearly as useful compared to pierce and range, but may help Bomb Shooters or Ice Monkeys with Cryo Cannon or higher.
  • Optimal crosspaths for Primary Training depend on the situation, but usually it is better off going for 3-2-0 rather than 3-0-2. However, occasionally it is more helpful to add extra discount to nearby towers to save more money overall, particularly so for Super Monkeys and other nearby Monkey Villages. In that case, a 2-0-2 Village can be upgraded to 3-0-2 whenever enhancing nearby Primary Monkeys is necessary.
  • Primary Training is very useful for MOAB Glue, particularly so if it does not have Glue Splatter. Having one extra blimp slowed down from the +1 pierce can make all the difference from just one upgrade.
  • While many powerful Primary Monkeys already have high pierce, pierce bonus benefits can come in useful sometimes on some Primary Monkeys. Glue Gunners such as MOAB Glue and Bloon Liquefier benefit greatly by affecting more bloons or blimps at once, while Bottom Path Tack Shooters can shred many more bloons at once without repeatingly reaching their pop limits.
    • Note that Primary Training does grant its pierce to the meteor of the Inferno Ring, which essentially allows its high-damage meteors to affect one more bloon before exploding. Primary Expertise can be bought later for a further buff to the meteors.
  • When relying primarily on Bomb Shooters, specifically MOAB Maulers and/or Recursive Clusters, it is usually safe to upgrade a 2-2-0 Village to a 3-2-0 Primary Training instead of a 2-3-0 Monkey Intelligence Bureau if Striker Jones is on the map. This is because Striker Jones Level 5+ grants 50% chance for all explosives to pop Black Bloons, or fully nullify the Black Bloon property with Level 19+.

Version History[]

Balance Changes[]

No changes were made to Primary Training since it was first released in BTD6.

Bug Fixes and General Changes[]

Extra Notes (Version History)[]


Official artwork[]


  • This is the only Tier-3 upgrade in BTD6 that is always cheaper than its base tower (since Signal Flare can be more expensive than its respective base tower with MilitaryConscriptionIcon Military Conscription MK).
  • The Primary Training upgrade alone requires less XP to unlock than the Radar Scanner upgrade alone (2500 XP).