Overview[]
The Monkey Submarine, often referred to as the Monkey Sub, is one of two water towers in the game. Starting as a waterborne Dart Monkey with seeking darts, it's pretty average, but lasts from early-game to late-game with the right upgrades. Costs $440.
Upgrades[]
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Barbed Darts
Darts pop 3 bloons
$330
 Total cost: $770
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Unlock the challenge for this tower by unlocking 5L (Blockade).
Complete the challenge to unlock 3S (Smart Darts). | |
Twin Guns
Shoots twice as fast
$530
 Total cost: $1,300
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Airburst Darts
Darts split into 3 more darts
$950
 Total cost: $2,250
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Support & Submerge
Submerged subs can reveal camo, heal stun
$1,000
 Total cost: $2,300
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Torpedos
Rapid long range explosives
$1,050
 Total cost: $2,350
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Smart Darts
High IQ Darts
$2,300
 Total cost: $3,600
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Rank 22  x3Assault Sub
Increases fire-rate (darts split into 7 rather than 3.)
$2,400
 Total cost: $4,650
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Rank 22 x4Bloontonium Reactor
Pops bloons in area, better against shields
$3,000
 Total cost: $5,300
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Rank 22 x3Ballistic Missile
Does heavy damage to armored bloons and Moabs
$2,550
 Total cost: $4,900
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Rank 22 x15Control Tower
Complete control over popping power
$6,500
 Total cost: $10,100
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Rank 46 x9Blockade
Temporarily stops bloons from leaking
$6,000
 Total cost: $10,650
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Rank 46 x9Anti-Matter Reactor
Speeds up abilities, pops more bloons
$9,500
 Total cost: $14,800
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Rank 46 x11First Strike
Powerful Strike that can pop a ZOMG
$16,000
 Total cost: $20,900
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Rank 46 x25War Mastermind
Smartest monkey gives Weapon Superiority
$23,000
 Total cost: $33,100
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Total to fully unlock: 79
Tips[]
- Can pop camo with all middle and stacked upgrades; the sonar sweeps also permanently remove the camo ability from affected bloons.
- Can pop lead with 4M, 5M, all stacked upgrades, and the torpedoes, missiles, and ability from the right upgrades.
- Can damage HTAs with all stacked upgrades, the sonar sweeps from 4M and 5M, and the torpedoes, missiles, and ability from the right upgrades.
- Each tower in the attack range of a Monkey Submarine increases the sub's attack range (but not sonar range).
- Unlike the official games, Submerged subs still keep their previous attacks (as BTDX lacks targeting options), allowing them to still attack with darts.
Advantages/Disadvantages[]
Advantages[]
- Brilliant all-around tower.
- Effective against multiple bloon types.
- Very effective against camo bloons.
- 5R is very effective against ZOMGs.
- Has massive popping power, especially 4M and 4L.
Disadvantages[]
- Not effective against HTA.
- Very weak aganst DDT's.
- Has very limited space because it's a water tower.
- Struggles against Nightmare bloons.
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