Bloons TD 6 is one of the most popular tower defense games released in 2018 by Ninja Kiwi. To win, players have to stop the Bloons from reaching the exit by creating a defense mechanism using Monkeys in the path. The performance of these monkeys can be improved by unlocking various Monkey Knowledge using the cash earned by popping Bloons or Knowledge Points. Players don’t want to spend their hard-earned cash randomly, so we have listed below the best Monkey Knowledge in Bloons TD 6.

Bloons TD 6 features six different Monkey Knowledge trees, including Primary, Military, Magic, Support, Heroes, and Powers Knowledge.

Best Primary Knowledge

  • Fraggy Frags – Frag bombs get two extra fragsMore Splatty Glue – Glue Splatter can affect up to eight Bloons per shotBudget Clusters – Bomb Shooter’s Cluster Bombs cost reduced by 100Extra Bounce – Increase Bommerang Ricochet to bounce up to 80 timesSo… Cold… – Ice Monkey’s Permafrost upgrade slows by 60%Master Double Cross – Allows you to have two Crossbow MastersCheaper Solution – Bloon Liquefier cost reduced by 100Long Turbo – Boomerang Turbo Charge ability lasts 15 secondsBonus Monkey! – Start each game with one free Dart Monkey!More Cash – Increase starting cash by 200

Also Read: All Hidden Achievements in Bloons TD 6

Best Military Knowledge

  • Elite Military Training – All Military Monkeys get a one-off +1000xp and earn xp in-game 5% faster permanentlyFaster Takedowns – MOAB Takedown Ability has 5 seconds faster cooldownCheaper Maiming – Main MOAB cost reduced by 1000Quad Burst – Airburst Darts split into 4 instead of 3Trade Agreements – Merchantman generates +$20 per roundCharged Chinooks – Chinook Activated Abilities give 25% move lives and cashBudget Battery – Artillery Battery cost reduced by 600Master Defender – Elite Defender has no cooldownDoor Gunner – Special Poperations Heli allows tier 4 and below Monkey Towers to attack Bloons while in transitBig Bloon Sabotage – All MOAB-Class Bloons spawn in a partially damaged state

Best Magic Knowledge

  • Cheaper Doubles – Ninja Double Shot cost reduced by 100Hot Magic – All Magic type towers can pop Frozen BloonsMo’Monkey Money – Earn 10% extra Monkey Money from game wins on any difficultyWarm OAK – Heart of Oak cost reduced by 100Cold Front – Ball Lightning hits have a chance to freeze Bloons after doing damageAcid Stability – Alchemists’ acid pools last 5 seconds longerDeadly Tranquility – Bloonjitsu and Grandmaster Ninja get an extra shuriken per throwVine Rupture – Grants Spirit of the Forest Druid a new ability to burst all track vines, doing big damage to all non-lead Bloons. New vines will regrow after each RuptureTiny Tornados – Druid tornadoes spawn 3 smaller tornadoes when they expireMana Shield – Creates a special shield that absorbs up to 25 lives for free. Recharges slowly each round if no Bloons leak

Best Support Knowledge

  • More Valuable Bananas – Valuable Bananas upgrade increases by 30%First Last Line of Defense – The purchase price of the first Spike Factory for each game is $150 lessBigger Banks – Monkey Banks can hold 2500 extra moneyFarm Subsidy – First Banana Farm each game costs 100 lessBackroom Deals – IMF Loan is increased to $12000 and repay rate is 40%Thicker Foams – Cleansing Foam can hit 3 more Bloons before expiringTo Arms! – Call to Arms duration increased by 3 secondsHealthy Bananas – Marketplaces now produce 1 life per round, and Central Markets produce 3Big Traps – Bloon Trap can hold 30 more RBEHi-value Mines – Spiked Mines cost reduced by 1500

Best Heroes Knowledge

  • More ‘Splody – Heroes’ explosives get +2 piece per shotAbility Discipline – Hero level 10 Ability cooldowns reduced by 10%Scholarships – Hero training costs reduced by 10%Self Taught Heroes – Heroes earn XP 10% fasterAbility Mastery – At level 20, Heroes’ level 3 Ability cooldown reduced by 30%Hero Favors – Heroes’ base cost reduced by 10%Empowered Heroes – Heroes start each game at level 3Big Bloon Blueprints – Heroes do +1 extra damage to MOAB-Class Bloons with their base attack Monkeys Together Strong – Heroes receive 5% more experience per Hero placedWeak Point – All Heroes deal +1 damage to Ceramic and Fortified Bloons

Also Read: Best Rank 5 tower upgrades in Bloons TD 6

Best Powers Knowledge

  • Bigger Camo Trap – Camo Trap lasts for 600 BloonsJust One More – Road Spike piles have 21 spikes in themCheaper Lakes – Portable Lake costs 40 Monkey MoneyBudget Pontoons – Pontoon costs 40 Monkey MoneySupersize Glue Trap – Glue Trap can show MOAB-Class Bloons, though the bigger the Bloon, the more glue is used upAmbush Tech – Techbot gains a targeting option to trigger only when Bloons enter a specific track areaPre-game Prep – Start each game with a pile of permanent Road Spikes at the end of the trackFit Farmers – Monkey Farmers have a larger radiusBudget Cash Drops – Cash Drops cost 20 Monkey Money lessGrand Prix Spree – Monkey Money cost to enter Races is reduced by 10%