Bloons Tower Defense 4 is the fourth installment of the Bloons Tower Defense series, and was released on Oct 26, 2009. New features include updated graphics, new towers, Bloons types, two new modes, and premium upgrades available for purchase with MochiCoins (Or Kreds, if on Kongregate). Below is an in-depth look on everything BTD4 has to offer. There is a "sequel" called Bloons TD 4 Expansion.
(Note: All prices for towers/upgrades are in Medium Difficulty, Apopalypse Mode and Sandbox Mode.)
- Every fourth upgrade, or "super upgrade", has to be unlocked separately from the towers.
Towers
Dart Monkey
Shoots a single dart that pops a single Bloon. Can upgrade to a spike-o-pult with a level four upgrade.
Hotkey: D
Cost: 200
Upgrades
Cost: 140
Darts can pop two Bloons instead of one.
Cost: 90
Gives the monkey more throwing distance.
Cost: 300
Gives the monkey a catapult that hurls giant spiked balls.
Cost: 1,000
Spike-O-Pult becomes three times a deadly.
(Total Selling Price: 1,384)
Tack Shooter
Shoots a volley of tacks in eight directions. Has short range, but is good for thinning out Bloons at intersections and corners.
Hotkey: T
Cost: 360
Upgrades
Cost: 210
Increases the fire rate of the Tack Shooter.
Cost: 100
Increases the attack radius of the Tack Shooter.
Cost: 280
Shoots razor sharp bladed discs instead of tacks!
Cost: 2,500
Throws out a fiery hot burst of flame that can pop anything.
(Total Selling price: 2,760)
Boomerang Thrower
Throws a boomerang that follows a curved path back to the tower. Can pop multiple Bloons at once.
Hotkey: R
Cost: 400
Upgrades
Cost: 250
Boomerang will hit up to seven Bloons at once.
Cost: 100
Sonic boomerangs smash through frozen Bloons.
Cost: 280
Glaives slice through up to twelve Bloons at once!
Cost: 1,850
Lightsabre slices through anything and everything up to seventy Bloons at once!
(Total Selling Price: 2,304)
glitch:the boomerang sometimes wont return to the tower but will vanish at about two thirds of the way around
Bomb Tower
Launches a bomb that explodes on impact. Can destroy many Bloons at once.
Hotkey: B
Cost: 700
Upgrades
Cost: 400
Big bombs affect a larger area.
Cost: 200
Can shoot bombs further than normal.
Cost: 210
Shoots fast missiles instead of bombs that go faster, farther, and pop more.
(Note: The Missile Launcher upgrade also grants a slight fire rate increase.)
Cost: 765
Special missiles cause 10x damage to MOABs and BFBs.
(Total Selling Price: 1928)
Ice Tower
Freezes nearby Bloons with every pulse. Frozen Bloons are immune to anything sharp.
Hotkey: I (Uppercase 'i')
Cost: 380
Upgrades
Cost: 225
Increased freeze time and attack radius.
Cost: 100
Slows Bloons Down even after they thaw out!
Cost: 400
Freezes so violently that Bloons will pop before freezing!
Cost: 6,000
Extreme cold slows down anything that comes near the Ice Tower.
(Note: When upgraded to Arctic Wind, Bloons that are in the Ice Tower's attack radius are slowed down 66%.)
(Total Selling Price: 5,684)
Mortar Tower
Targets a specific area of ground over any distance with an explosive attack.
Hotkey: M
Cost: 825
Upgrades
- Greater Accuracy
Cost: 200
Increases the mortar's accuracy.
- Rapid Reload
Cost: 250
Increases the mortar's firing rate.
- Bloon Buster
Cost: 800
Smashes through two layers of Bloons.
Cost: 2,000
Triple the Pain.
(Total Selling Price: 3260)
Glue Gunner
Shoots a glob a glue at at* Bloon, slowing it down. Ceramic Bloons can be glued but will not be slowed down.
Hotkey: G
Cost: 300
*At time of writing, repeat of the word "at" is indeed in the Glue Gunner's description.
Upgrades
- Stickier Glue
Cost: 120
Makes Glue last much longer.
- Glue Soak
Cost: 200
Glue soaks through all layers of Bloons.
- Corrosive Glue
Cost: 300
Glue eats through Bloons, dissolving them every two seconds.
- Glue Splatter
Cost: 300
Affects a large area around impact, soaking up to twenty Bloons at once.
(Total Selling Price: 3,136)
Monkey Beacon
Increases the attack range of all stuff within the beacon area. Has several useful upgrades that 'help out nearby towers, including its ultimate ability to call in Super Monkey Storms.
Hotkey: N
Cost: 1,000
Upgrades
- Wider Influence
Cost: 500
Increses area of effect for all the beacons abilities.
- Jungle Drums
Cost: 1,500
Increases attack speed of all towers withing the Monkey Beacon's radius.
- Sonar Beacon
Cost: 280
Allows targeting of Camo Bloons for towers inside the radius.
- Monkey Storm
Cost: 3500
Calls in a wave of Super Monkeys* that wipes out all Bloons on screen. Unique.
(Note: After you purchase the Monkey Storm upgrade, a new upgrade will appear called Call Super Monkey Storm, cost-850 on easy. Every time you buy it, every Bloon excluding MOABs and BFBs will be destroyed. But after each use you must wait approx. 65 seconds to use it again.)
(Total Selling Price: 5,424)
Monkey Ace
The only unit that moves, the Monkey Ace patrols the skies above the action, regularly strafing the area with powerful piercing darts.
Hotkey: A
Cost: 900
(Note: The Monkey Ace tower moves in a vertical figure-8 that covers the height of roughly the entire screen.)
Upgrades
- Pineapple Express
Cost: 200
Drops highly explosive pineapples.
- Spy Plane
Cost: 350
Allows detection of Camo Bloons for all towers near the plane.
- Rapidfire
Cost: 700
Increases attack rate.
- Operation: Dart Storm
Cost: 3,000
Our darts will block out the sun.
(Note: The Operation: Dart Storm upgrade makes it so the Monkey Ace tower fires twice as many darts, twice as fast.)
(Total Selling Price: 4,120)
Monkey Buccaneer
The only unit that can be placed in water - the Monkey Buccaneer has a long range and shoots a single, heavy dart.
Hotkey: U
Cost: 600
Upgrades
- Grape Shot
Cost: 300
Adds a volley of deadly sharpened grapes to the attack.
- Crow's Nest
Cost: 150
Allows detection of Camo Bloons for any towers in the radius.
- Longer Canons
Cost: 180
Increases attack range of the ship's canons.
- Battleship
Cost: 2,000
Total nautical domination.
(Note: The Battleship upgrade doubles the attack speed the of Monkey Buccaneer.)
(Total Selling Price: 2,584)
Monkey Apprentice
Trained in the ancient arts of monkey wizardry. Learns new spells with every upgrade. This unit is flexible and will continue randomly using his old spells with his new one.
Hotkey: W
Cost: 550
Upgrades
- Intense Magic
Cost: 300
Wizard's magic orb becomes more powerful, pop* up to seven Bloons at once.
*At time of writing, this gramatical error is indeed in this upgrade's description.)
- Fireball
Cost: 300
Hurls a burning ball of flame that explodes on impact.
- Summon Whirlwind
Cost: 2,000
Whirlwind* will blow Bloons away from the exit, but will thaw Bloons and remove glue.
- Tempest Tornado
Cost: 8,000
Tempest tornados* pop Bloons as well as push them around. Affects up to 120 Bloons at once.
*At time of writing, this spelling error is indeed in this upgrade's description.
(Total Selling Price: 8,920)
Super Monkey
Super Monkey shoots incredibly fast. Can upgrade to Laser Vision, then Plasma Vision. Ultimate upgrade is ultimately powerful. Find out for yourself...
Hotkey: S
Cost: 3,400
Upgrades
- Super Range
Cost: 1,000
Super Range greatly increases Super Monkey attack radius.
- Laser Vision
Cost: 3,500
Lasers can pop two Bloons at once, and can pop frozen Bloons.
- Plasma Vision
Cost: 3400
Plasma shoots twice as fast and vaporizes everything it touches!
- Sun God
Cost: 17,000
Legends speak of a being that fears no Bloon.
(Note: The Sun God upgrade shoots a little bit faster and divides into three beams.)
(Total Selling Price: 26,000)
Banana Farm
Generates extra money at the end of every round, but doesn't attack anything. Can upgrade to increase money bonus.
Hotkey: F
Cost: 1,000
Upgrades
- More Bananas
Cost: 400
Increases money generated to one hundred twenty per round.
- Banana Plantation
Cost: 1,200
Banana Plantation generates two hundred fifty money per round.
- Banana Republic
Cost: 2,500
Banana Republic pulls in a cool five hundred money per round.
- Banana Research Facility
Cost: 10,000
High Tech banana facility earns you a staggering two thousdand money per round.
(Total Selling Price: 12,080
Road Items
Road Spikes
Place these road spikes on the track to pop Bloons. Can pop ten Bloons before wearing out. Road Spikes last only until the end of the round.
Hotkey: K
Cost: 30
Pineapple
Like all healthy food, Pineapples explode shortly after being placed, so don't put any down unless you want to blow up some Bloons.
Hotkey: P
Cost: 25
Monkey Glue
Monkey Glue slows down Bloons. Each glob can pop twenty Bloons before waering out. Monkey Glue only lasts until the end of the round.
Hotkey: E
Cost: 10
Bloon Types
Red Bloon
RBE : 1
Speed: Slow
Size: Small
Blue Bloon
Speed: Faster than red.
Size: Bigger than red.
Green Bloon
Speed: Faster than blue.
Size: Bigger than blue.
Yellow Bloon
Speed: Faster than green.
Size: Bigger than green.
Pink Bloon
Speed: Faster than yellow. Fastest Bloon in the game.
Size: Bigger than yellow.
Black Bloon
RBE 11, contains two pinks. Immune to bombs.
Speed: Like a blue bloon
Size: Tiny. Like half a red
White Bloon
RBE 11, contains two pinks. Immune to freezing.
Speed: Like a blue/black bloon.
Size: Like a black bloon.
Camo Bloon
RBE 11, contains two pinks. Most towers need an upgrade to detect them; some upgrades allow nearby towers to detect them. (Note: In the game, the camo bloon's RBE says 9 but should be 11)
Speed: Like a green bloon
Size: Like a blue bloon
Zebra Bloon
RBE 23, contains a black and a white. Immune to bombs and freezing.
Speed: Like a green bloon
Size: Like a blue bloon
Lead Bloon
RBE 23, contains 2 blacks. immune to anything sharp. (Darts, blades, etc.)
Speed: Like a red bloon
Size: Like a blue bloon
Rainbow Bloon
Speed: Faster than a green bloon; slower than a yellow bloon
Size: Like a blue bloon
Ceramic Bloon
File:Brown.jpg RBE 103. Contains two rainbows. Takes 10 hits to break and although it can be glued, it will not be slowed by it.
Speed: Like a rainbow bloon
Size: Like a blue bloon
M.O.A.B.
RBE 613. After 200 hits, breaks open to reveal four ceramic Bloons.
Speed: Like a red/lead bloon
Size: Huge
B.F.B
RBE 2884. After 700 hits, breaks to reveal four MOABs.
Speed: REEEAAALLLLY Slow (A bit slower than a red bloon)
Size: Bigger than a M.O.A.B
Modes
Easy Difficulty
On Easy mode, things are cheaper than usual (85% of medium) and you start with 200 lives. There are 50 rounds to pass.
Medium Difficulty
On Medium mode, things are regularly priced (see above) and you start with 150 lives. There are 60 rounds to pass.
Hard Difficulty
On hard mode, things are more expensive (108% of medium) and you start with 100 lives. There are 75 rounds to pass.
Sandbox Mode
In sandbox mode, you have unlimited (1,000,000) money and unlimited (100,000)lives . Things cost as much as in Medium mode (see above). In Sandbox mode, you can choose what Bloons to release and at what times. For example, you can click a button to release 20 Red Bloons , 5 ceramic Bloons, or 1 MOAB.
(Note: This mode is unlocked once rank 26 is acheived.)
Apopalypse
In Apopalypse mode, you have as much money and lives as in Medium, and things cost as much as in Medium (see above). Once you click 'Start Round', Bloons will never stop coming and continue to get stronger and stronger. Even though Bloons never stop coming, rounds still exist, they are just started automatically, therefore Banana Farms still grant you a money bonus at the end of each round. If no road spikes/monkey glue were used completely, they'll still exist.
(Note: This mode is unlocked once rank 31 is acheived.)
Ranks
Main Article: Ranks
Another improvement in BTD4 is that there is a system of ranks.
Sample:
Rank 1: Dart Monkey (You get it from the start)
Rank 2: Tack Shooter
Rank 3: Boomerang Thrower
Premium Upgrades
Bloons tower Defense 4 features premium upgrades for various things, such as new tracks and new abilities for towers.
Upgrade/Cost (in MochiCoins or Kreds)
Tracks
Flower Track/1,20
Space Age Track /1,200
Clifftop Track /1,200
Grasslands Track /1,200
Inter-Dimensional Track /1,200
High-Tech Track /1,200
Railway Track /1,200
Upgrades
Frag Bombs /Free
Effect: Bomb Towers' bomb's explosions send off shards in all directions, popping even Bloons immune to bombs when active.
Double Ranga /1,200
Effect: Boomerang Towers become ambidextrous and throw two projectiles instead of one.
Exploding Darts /600
Effect: When activated, Dart Monkeys' darts will explode once they reach the end of their maximum pops, which pop lead bloons.
Crystal Ball /800
Effect: When activated, it greatly increases Monkey Apprentices' attack range and allows detection of Camo Bloons.
Dreadnaught /1,000
Effect: When activated, instead of darts, Monkey Buccaneer towers will now fire flaming canon balls capable of popping frozen and lead Bloons.
Digital Aplification /1,200
Effect: When activated, Monkey Beacon towers have a massively enlarged radius.
Monkey Tycoon /1,000
Effect: When activated, selling towers results in a 100% refund rather than 75% normaly.
Healthy Bananas /1,200
Effect: When activated, Banana Farm towers grant +1 life per upgrade per round.
Double Cash /1,000
Effect: While selecting the mode, you may turn Double Cash on or off. When on, each popped Bloons grants 2 money instead of one, and you start with double money. For example, a popped red=2 money, a popped green=6 money, etc.
Buy Rank 31 /1,000
Effect: Instantly turns you into rank 31, unlocking all modes and final tower upgrades.
Buy Every Upgrade /8,000
Effect: Buys every premium upgrade. Saves 1,000 MochiCoins.
Track Pack /6,000
Effect: Buys every premium track. Saves 2,400 MochiCoins.
Trivia
The actual last round is round 250 because
- There are 999 B.F.B.'s.,
- The B.F.B's are not programmed to pop,
- There are no rounds programmed after, so there is no point in hacking past it
Glitches
PATCHED
- Same as Bloons Tower Defense 3, but you have to move the mouse a little.
- The hot keys allow use of the towers, even if not unlocked.
Working
Using hotkey abuse, you can place anything anywhere.
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