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For Monkey Knowledge Packs from Bloons Monkey City, see Monkey Knowledge Packs.

Monkey Knowledge is an upgrade system within Bloons TD6. This menu has upgrade trees for Primary towers, Military towers, Magic towers, Support towers, Heroes, and Powers. Each tree features many upgrades for monkeys that can be unlocked with Knowledge Points. After level 30, every level up will reward the player with 1 Knowledge Point to use here. Some upgrades require a certain amount of points to be spent in the tree before taken and are lower on their tree. Previous upgrades have to be unlocked to unlock upgrades further down the tree that are more powerful. More knowledge points may be earned through achievements.

As of Version 2.0.0, Monkey Knowledge can also be toggled on or off.

Knowledge Rewards

The structure of the overall knowledge trees are difficult to understand at first, but with enough patience, it is possible to fully understand them.

It costs one Knowledge Point to access a new upgrade. For further upgrades, it may require a specific number of points in that tree before unlocking the upgrade, so note them in the tables.

Primary Knowledge

Name Prerequisites Description Other notes
Fast Tack Attacks No additional requirement Tack Shooter attack speed increased by 8%. TBA
Increased Lifespan No additional requirement Longer projectile lifespan for Dart Monkey, Bomb Shooter, Tack Shooter and Glue Gunner. Does not apply to Ice Monkey's higher Path-3 upgrades, such as Cryo Cannon. (?)
Extra Dart Pops No additional requirement Dart Monkeys get +1 pierce to all shots. Base pierce increased to 3 from 2.
Poppy Blades Hard Tacks Blade Shooter upgrade gets +2 pierce. Blade Shooter pops 4 bloons per shot instead of 2.
Hard Tacks Fast Tack Attacks Tack Shooter tacks can pop Frozen Bloons. TBA
Fast Glue Fast Tack Attacks Glue Gunner 10% increased attack speed. TBA
Fraggy Frags Increased Lifespan Frag bombs get 2 extra frags. TBA
Cheap 'Rangs Increased Lifespan Base cost of Boomerang Thrower reduced by 50. Discount is applied after price multiplier for other difficulties: the cost will always be $50 less than normal regardless of the difficulty.
Crossbow Reach Extra Dart Pops Crossbow range increased. TBA
Big Inferno 5 Knowledge Points

Poppy Blades

Inferno Ring upgrade gets +3 burst radius. TBA
Icy Chill 5 Knowledge Points

Hard Tacks

Freeze radius slightly increased. TBA
More Splatty Glue 5 Knowledge Points

Fast Glue

Glue Splatter can affect up to 8 Bloons per shot. TBA
Budget Clusters 5 Knowledge Points

Fraggy Bombs

Bomb Shooter's Cluster Bombs cost reduced by 100. Discount is applied after price multiplier for other difficulties: the cost will always be $100 less than normal regardless of the difficulty.
Extra Bounce 5 Knowledge Points

Cheap 'Rangs

Increase Boomerang Ricochet to bounce up to 80 times. Increases the pierce of ricocheting Glaives, including M.O.A.R Glaives and Glaive Lord, by 30.
4 And 4 5 Knowledge Points

Crossbow Reach

Dart Monkey's triple shot gets 4 darts every 4th shot. TBA
Force vs Force 5 Knowledge Points

Crossbow Reach

Juggernaut does 3 damage per shot to MOAB-Class Bloons. TBA
So... Cold... 8 Knowledge Points

Icy Chill

Ice Monkey's Permafrost upgrade slows by 60%. TBA
Aviation Grade Glue 8 Knowledge Points

More Splatty Glue

MOAB Glue slows more than normal. TBA
Mega Mauler Aviation Grade Glue

Hard Press

MOAB Mauler does more damage per hit. TBA
Hard Press 8 Knowledge Points

Extra Bounce

MOAB Press pusher back 30% further. TBA
Master Double Cross 8 Knowledge Points

4 And 4

Allows you to have TWO Crossbow Masters. TBA
Big Cryo Blast 10 Knowledge Points

So... Cold...

Cryo Cannon gets increase blast radius. TBA
Hypothermia 10 Knowledge Points

So... Cold...

Snowstorm can freeze White and Zebra Bloons. TBA
Cheaper Solution 10 Knowledge Points

Aviation Grade Glue

Bloon Liquifier cost reduced by 1000. Discount is applied after price multiplier for other difficulties: the cost will always be $1000 less than normal regardless of the difficulty.
Violent Impact 10 Knowledge Points

Budget Clusters

Bomb Shooter's Bloon Impact stuns for 25% longer. TBA
Long Turbo 10 Knowledge Points

Hard Press

Boomerang Turbo Charge ability lasts 15 seconds. TBA
Bonus Monkey! 10 Knowledge Points

Master Double Cross

Start each game with a free Dart Monkey! TBA
More Cash Cheaper Solution

Bonus Monkey!

Increase starting cash by 200.

This means that you start with $850 on all game modes except Half Cash where you only get $425.

Military Knowledge

Name Prerequisites Description Other notes
Naval Upgrades No additional requirement Monkey Buccaneer and Monkey Sub can pop +1 Bloon per shot. Increases pierce of Monkey Buccaneers to 5 from 4. Increases Monkey Sub pierce to 2 from 1.
Airforce Upgrades No additional requirement Monkey Ace and Heli Pilot can pop +1 Bloon per shot. Increases pierce of Monkey Ace to 6 from 5 per dart. Increases Heli Pilot pierce to 4 from 3 per dart.
Elite Military Training No additional requirement All Military Monkeys get a one-off +1000xp and earn xp in-game 5% faster permanently. This Knowledge has no effect if all Military upgrades are already unlocked, besides unlocking subsequent Knowledge.
Big Bunch Naval Upgrades Grape Shot shoots 6 grapes. Also applies to Hot Shot.
Accelerated Aerodarts Airforce Upgrades Darts from Monkey Aces fly faster. Darts fly TBA% faster.
Ceramic Shock Elite Military Training Sniper hits on Ceramic Bloons slow them down briefly. Slow effect is the same for all calibres of Path 1. Slow effect is applied to Ceramics hit with Shrapnel Shot projectiles.
Breaking Ballistic 4 Knowledge Points

Naval Upgrades

Ballistic Missiles do more damage to Ceramic Bloons. Deals 6 damage instead of TBA to Ceramic Bloons.
Faster Takedowns 4 Knowledge Points

Big Bunch

MOAB Takedown Ability has 5 second faster cooldown. Decreases MOAB Takedown to TBA seconds, from TBA seconds normally.
Targeted Pineapples 4 Knowledge Points

Accelerated Aerodarts

Pineapples are only dropped near tracks. TBA
Rapid Razors 4 Knowledge Points

Airforce Upgrades

Razor Rotors pops Bloons faster. Pops TBA% times faster than normal.
Cheaper Maiming 4 Knowledge Points

Ceramic Shock

Maim MOAB cost reduced by 1000. Discount is applied after price multiplier for other difficulties: the cost will always be $1000 less than normal regardless of the difficulty.
Quad Burst 8 Knowledge Points

Breaking Ballistic

Airburst Darts split into 4 instead of 3. TBA
Trade Agreements 8 Knowledge Points

Faster Takedowns

Merchantmen generates +$20 per round. Also applies to Favored Trades and Trade Empire.
Gun Coolant 8 Knowledge Points

Targeted Pineapples

Monkey Aces attack 10% faster. TBA
Aeronautic Subsidy Gun Coolant Monkey Ace tier 5 upgrades cost 10% less. Will subsequently cost $36,000, $31,500 and $108,000, down from $40,000, $35,000, and $120,000 for Path 1, Path 2 and Path 3 on Medium respectively.
Charged Chinooks Rapid Razors Chinook Activated Abilities give 25% more lives and cash. TBA
Master Defender Cheaper Maiming Elite Defender has no cooldown. TBA
Sub Admiral 14 Knowledge Points

Quad Burst

Sub Commander affects all Monkey Subs on screen. TBA
Military Conscription 14 Knowledge Points

Trade Agreements

Purchase price of first Military Monkey each game is halved. Once any Military Monkey is purchased, all the other halved bonuses are voided, even if that specific tower was not used. Will subsequently cost $175 Sniper Monkey, $160 Monkey Sub, $275 Monkey Buccaneer, $400 Monkey Ace and $750 Heli Pilot on Medium difficulty.
Advanced Logistics 14 Knowledge Points

Aeronautic Subsidy

Charged Chinooks

All Military Monkeys base costs reduced by 5%.

Will subsequently cost $335(?) Sniper Monkey, $310(?) Monkey Sub, $525(?) Monkey Buccaneer, $760(?) Monkey Ace and $1,425(?) Heli Pilot on Medium difficulty.

Big Bloon Sabotage Sub Admiral

Master Defender

All MOAB-Class Bloons spawn in a partially damaged state. Decreases the health of oncoming MOAB-Class Bloons by 10%.

Magic Knowledge

Name Prerequisites Description Other notes
Super Range No additional requirement Increased range for the Super Range upgrade Increases range by TBA% from original.
Lingering Magic No additional requirement Longer projectile lifespan for Wizard Monkey, Super Monkey, Ninja Monkey, and Druid. TBA
Magic Tricks No additional requirement Guided Magic and Intense Magic cost 25 less. Discount is applied after price multiplier for other difficulties: the costs will always be $25 less than normal regardless of the difficulty.
Cheaper Doubles Super Range Ninja Double Shot cost reduced by 100. Discount is applied after price multiplier for other difficulties: the costs will always be $100 less than normal regardless of the difficulty.
Heavy Knockback Super Range Bloons hit by Knockback from Super Monkey are knocked back slightly harder. Increases knockback potency by TBA%.
Hot Magic Lingering Magic All Magic type towers can pop Frozen Bloons. TBA
Speedy Brewing Magic Tricks All Alchemist's potions have 5% faster reload time. Applies to upgrades TBA.
Mo' Monkey Money Speedy Brewing Earn 10% extra Monkey Money from game wins on any difficulty. Increases Monkey Money rewards for first time completion, replay completion and Daily Challenges. Bonus Monkey Money is also rounded down to one unit (Monkey Dollar225, for example, becomes Monkey Dollar247, not Monkey Dollar248).
Diversion Tactics 4 Knowledge Points

Cheaper Doubles

Increased chance to distract Bloons from Distraction upgrade. Increases chance of Distration effect occuring by TBA%, to a total of TBA%.
Strike Down The False 4 Knowledge Points

Heavy Knockback

Sun Avatar can pop Purple Bloons. TBA
Warm Oak 4 Knowledge Points

Hot Magic

Heart of Oak cost reduced by 100. Discount is applied after price multiplier for other difficulties: the costs will always be $100 less than normal regardless of the difficulty.
Flame Jet 4 Knowledge Points

Hot Magic

Dragon's Breath flame projectiles move much faster. TBA
Strong Tonic 4 Knowledge Points
Speedy Brewing
Transforming Tonic lasts longer. Increases duration from TBA seconds to TBA seocnds.
Cold Front 4 Knowledge Points

Warm Oak

Ball Lightning hits have a chance to freeze Bloons after doing damage. Freeze chance is TBA%.
Arcane Impale 4 Knowledge Points

Flame Jet

Arcane Spike does extra damage to MOAB-Class and Ceramic Bloons.

Deals TBA damage instead of TBA to MOAB-Class Bloons. Deals TBA damage instead of TBA to Ceramic Bloons.

Acid Stability 4 Knowledge Points

Strong Tonic

Alchemists' acid pools last 5 second longer. Acid pools now last TBA seconds each.
Deadly Tranquility 8 Knowledge Points

Diversion Tactics

Bloonjitsu and Grandmaster Ninja get an extra shuriken per throw. TBA
Mana Shield 8 Knowledge Points

Arcane Impale

Creates a special shield that absorbs up to 25 lives for free. Recharges up to 5 lives at the start of each round. Mana Shield is also usable in Impoppable Mode, despite Impoppable Mode stating that no lives are to be lost.

Support Knowledge

Name Prerequisites Description Other notes
Flat Pack Buildings No additional requirement Farm and Village cost 2% less and sell for 2% more. TBA
One More Spike No additional requirement Spike Factory stacks get +1 spike. Spike stacks can pop 6 bloons each from 5, Bigger Stacks to 11 from 10, Spiked Balls/Spiked Mines/Super Mines to 16 from 15, Deadly Spikes to 12 from 10 and Perma-Spikes to 510 (610) from 500 (600).
Insider Trades Flat Pack Buildings Monkey Business discount increases by 2% Increases discount to 12% from 10%.
More Valuable Bananas Flat Pack Buildings Valuable Bananas upgrade increases to 30%. This is a 5% increase from what the upgrade usually provides.
Bigger Banks 3 Knowledge Points

Insider Trades

Monkey Banks can hold 2500 extra money.

Increases maximum capacity to $12,500. Also applies to IMF Loan and Monkey-Nomics.

Farm Subsidy 3 Knowledge Points

More Valuable Bananas

First Banana Farm each game costs 100 less Applies to Medium Difficulty cost. Difficulty multipliers are applied after.
Monkey Education 3 Knowledge Points All Monkeys XP earn rate increased by 8%. Applies to Heroes as well (?).
Backroom Deals 3 Knowledge Points

Bigger Banks

IMF Loan is increased to $12000 and repay rate is 40%. The increase in profit also applies to Monkey-Nomics.
Inalnd Revenue Streams 3 Knowledge Points

Farm Subsidy

Monkey Town cash bonus increased by 10%. Increases cash bonus for Bloon pops from 50% to 60%
Very Shreddy 3 Knowledge Points

One More Spike

MOAB SHREDR spkies do +1 extra damage to MOAB-Class Bloons. Causes a single stack to deal 20 damage to MOABs, with Bigger Stacks dealing 40 damage.
To Arms! 3 Knowledge Points

Monkey Education

Call to Arms duration increased by 3 seconds. Increases duration to 13 seconds. Also applies to Homeland Defense, with an 18 seconds (?).
Better Sell Deals 8 Knowledge Points

Backroom Deals

All Monkeys sell for 5% more. Increases sell potency from 70% to 75%.
Hi-Value Mines 8 Knowledge Points

Very Shreddy

Spiked Mines cost reduced by 1500. Applies to Medium Difficulty price. Cost multiplier is added after the discount. Costs TBA on Medium.
Veteran Monkey Training 8 Knowledge Points

To Arms!

All Monkeys reload time reduced by 3%. TBA
Global Ability Cooldowns 8 Knowledge Points

To Arms!

All Ability cooldowns for all Monkeys reduced by 3%. TBA

Heroes Knowledge

Name Prerequisites Description Other notes
Heroic Reach No additional requirement All heroes get slightly increased range. TBA
More 'Splody No additional requirement Heroes' explosives can pop 2 more Bloons per shot. TBA
Ability Discipline No additional requirement Hero Level 10 Ability cooldowns reduced by 10%. TBA
Heroic Velocity ​Heroic Reach​ All Heroes' projectile speeds increased slightly. TBA
Scholarships ​More 'Splody​ Hero training costs reduced by 10% TBA
Quick Hands 3 Knowledge Points

Heroic Velocity​

Makes all heroes attack 4% faster. TBA
Self Taught Heroes 3 Knowledge Points

Scholarships​

Heroes earn XP 10% faster. TBA
Ability Master 3 Knowledge Points

Ability Discipline​

At level 20, Heroes' level 3 Ability cooldown reduced by 40%. TBA
Hero Favors Quick Hands​

Self Taught Heroes​

Heroes' base cost reduced by 10%. TBA
Big Bloon Blueprints ​Ability Master​ Heroes do +1 extra damage to MOAB-Class Bloons with their base attack. TBA
Empowered Heroes ​Hero Favors​ Heroes start each game at level 3. TBA

Powers Knowledge

Name Prerequisites Description Other notes
Bigger Camo Trap No additional requirements Camo Trap lasts for 200 Bloons. TBA
Just One More No additional requirements Road Spike piles have 11 spikes in them. TBA
Cheaper Lakes No additional requirements Portable Lakes costs Monkey Dollar40. TBA
Mauling MOAB Mines Bigger Camo Trap MOAB mine does extra damage. TBA
Longer Time Stop Just One More Time Stop lasts longer than normal. TBA
Budget Pontoons ​Cheaper Lakes​ Pontoon costs Monkey Dollar40. TBA
Supersize Glue Trap 3 Knowledge Points

Mauling MOAB Mines​

Glue Trap can slow MOAB-Class Bloons, though the bigger the bloon, the more glue is used up. TBA
Longer Boosts 3 Knowledge Points

Longer Time Stop

Monkey Boost lasts longer. TBA
Powerful Monkey Storm 3 Knowledge Points

Budget Pontoons​ Longer Boosts​

Super Monkey Storm does more damage. TBA
Pre-Game Prep

Longer Boosts​

Start each game with a pile of permanent Road Spikes at the end of the track. TBA
Fit Farmer ​Powerful Monkey Storm​ Monkey farmer have larger radius. TBA
Budget Cash Drops ​Fit Farmer​ Cash Drops cost Monkey Dollar20 less. TBA
Supa-Thrive ​Fit Farmer​ Thrive adds 30% instead of 25%. TBA

Gallery

Trivia

  • The Monkey Engineer is the image for the support tower knowledge, even though it doesn't appear as a tower in the game. However, it has been confirmed to be released at some point in the future.
  • "Big Bloon Sabotage" is the same name as a Monkey Lab upgrade in Bloons Tower Defense 5. It retains a similar effect, reducing the health of the bloons. Note that is does NOT decrease the bloons speed.
  • In order to obtain all upgrades for all the categories of Monkey Knowledge, the player must achieve level 137, assuming that no extra packs have been purchased or earned from achievements or other sources.
  • Certain knowledge points render secondary tower upgrades obsolete, for example the Hard Thorns upgrade for the Druid allows it to pop 2 bloons per shot as well as frozen bloons, however the Magic knowledge point Hot Magic grants all Magic monkeys the ability to pop frozen bloons.
  • It is possible to rank up straight to Rank 30 by going to the Monkey Knowledge menu and tapping the option that unlocks Rank 30 immediately. It costs $9.99 USD though, and it's really easy to reach Rank 30 anyway.
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