List of upgrades in BTD4

This article lists all upgrades in Bloons TD 4. Costs are based on Medium difficulty.

Regular upgrades

Icon	Name / description	Tower	Tier	Cost
	More Bananas Increases money generated to 120 per round.	Banana Farm	1	$400
	Banana Plantation Banana plantation generates 250 money per round.	Banana Farm	2	$1,200
	Banana Republic Banana republic pulls in a cool 500 money per round.	Banana Farm	3	$2,500
	Banana Research Facility High tech banana facility earns you a staggering 2000 per round.	Banana Farm	4	$10,000
	Fast Deploy Makes the bee keeper attack much faster	Bee Keeper	1	$300
	Big Hive Larger hive can hold 10 bees instead of 6	Bee Keeper	2	$250
	Killer Bees Deadly killer bees fly twice as fast and pop bloons three times as fast!	Bee Keeper	3	$1,800
	The Swarm Unleash the swarm! Shoots 4 bees at a time, has a much larger range and can support 30 deployed bees at a time	Bee Keeper	4	$7,500
	Bigger Bombs Big bombs affect a larger area.	Bomb Tower	1	$400
	Longer Range Can shoot bombs further than normal.	Bomb Tower	2	$200
	Missile Launcher Shoots fast missiles instead of bombs that go faster, further and pop more.	Bomb Tower	3	$210
	MOAB Mauler Special missiles cause 10x damage to MOABs and BFBs.	Bomb Tower	4	$900
	Multi Target Boomerangs will hit up to 7 bloons at once.	Boomerang Thrower	1	$250
	Sonic Boom sonic boomerangs smash through frozen bloons.	Boomerang Thrower	2	$280
	Glaive Thrower Glaives slice through up to 12 bloons at once.	Boomerang Thrower	3	$100
	Lightsabre Thrower Lightsabre slices through anything and everything - up to 70 bloons at once!.	Boomerang Thrower	4	$1,850
	Piercing Dart Darts can pop 2 bloons instead of 1.	Dart Monkey	1	$140
	Long Range Darts Increases the range of your dart monkey.	Dart Monkey	2	$90
	Spike-o-pult Gives the monkey a catapault that hurls giant spiked balls.	Dart Monkey	3	$300
	Triple Shot Spike-o-pult becomes three times as deadly.	Dart Monkey	4	$1,100
	Steady Barrels Steady barrels reduces the spread of darts fired from the gun.	Dartling Gun	1	$250
	Powerful Shots Makes the darts fly out with greater speed, and makes them pop up to 3 bloons each.	Dartling Gun	2	$600
	Increased Barrel Spin Makes Dartling Gun fire much faster	Dartling Gun	3	$2,500
	Laser Cannon Converts to a powerful cannon that shoots rapid bursts able to cause massive bloon damage	Dartling Gun	4	$15,000
	Stickier Glue Makes glue last much longer.	Glue Gunner	1	$120
	Glue Soak Glue soaks through all layers of bloons.	Glue Gunner	2	$200
	Corrosive Glue Glue eats through bloons, dissolving them every 2 seconds.	Glue Gunner	3	$300
	Glue Splatter Affects a large area around impact, soaking up to 20 bloons at once.	Glue Gunner	4	$3,000
	Improved Ice Tower Increase freeze time and attack radius.	Ice Tower	1	$225
	Permafrost Slows bloons down even after they thaw out!	Ice Tower	2	$100
	Snap Freeze Freezes bloons so violently that bloons will pop before freezing!	Ice Tower	3	$400
	Arctic Wind Extreme cold slows down anything that comes near the ice tower.	Ice Tower	4	$6,000
	Pineapple Express Drops highly explosive pineapples.	Monkey Ace	1	$200
	Spy Plane Allows the detection of camo bloons for all towers near the plane.	Monkey Ace	2	$350
	Rapid Fire Incrases attack rate.	Monkey Ace	3	$700
	Operation: Dart Storm Our darts will block out the sun.	Monkey Ace	4	$3,500
	Intense Magic Wizard's magic orb becomes more powerful, pop up to 7 bloons at once.	Monkey Apprentice	1	$300
	Fireball Hurls a burning ball of flame that explodes on impact.	Monkey Apprentice	2	$300
	Summon Whirlwind Whirlwind will blow bloons away from the exit, but will thaw bloons and remove glue.	Monkey Apprentice	3	$2,000
	Tempest Tornado Tempest Tornados pop bloons as well as push them around. Affects up to 120 bloons at once.	Monkey Apprentice	4	$8,000
	Wider Influence Increases area of effect for all of the beacon's abilities	Monkey Beacon	1	$500
	Jungle Drums Increases attack speed of all towers within the monkey beacons radius.	Monkey Beacon	2	$1,500
	Sonar Beacon Allows targeting of camo bloons for towers in the radius.	Monkey Beacon	3	$280
	Monkey Storm Calls in a wave of super monkeys that wipe out all bloons on screen. Unique.	Monkey Beacon	4	$3,500
	Grape Shot Adds a volley of deadly sharpened grapes to the attack.	Monkey Buccaneer	1	$300
	Crow's Nest Allows detection of camo bloons for any tower in the radius.	Monkey Buccaneer	2	$150
	Longer Cannons Increases the attack range of the ships cannons	Monkey Buccaneer	3	$180
	Battleship Total nautical domination.	Monkey Buccaneer	4	$2,000
	Greater Accuracy Increases the mortars accuracy.	Mortar Tower	1	$200
	Rapid Reload Increases the mortars firing rate.	Mortar Tower	2	$250
	Bloon buster Smashes through 2 layers of bloons	Mortar Tower	3	$800
	Mortar Battery Triple the pain.	Mortar Tower	4	$2,000
	Increased Production Makes the factory produce spikes much faster	Spike Factory	1	$700
	Bigger Stacks The factory creates double size spike stacks	Spike Factory	2	$600
	White Hot Spikes White hot spikes can pop frozen and lead bloons.	Spike Factory	3	$350
	Spike Storm Every 15 seconds the factory generates a storm of short lived spikes filling up the whole track.	Spike Factory	4	$7,000
	Super Range Super range greatly increases Super Monkey attack radius.	Super Monkey	1	$1,000
	Laser Vision Lasers can pop 2 bloons at once, and pop frozen bloons	Super Monkey	2	$3,500
	Plasma Vision Plasma shoots twice as fast and vaporizes everything it touches	Super Monkey	3	$4,000
	Sun God Legends speak of a being that fears no bloon.	Super Monkey	4	$20,000
	Faster Shooting Increases the fire rate of the tack shooter.	Tack Shooter	1	$210
	Extra Range Increases the attack radius of the tack shooter.	Tack Shooter	2	$100
	Blade Shooter Shoots sharp razor bladed disks instead of tacks!	Tack Shooter	3	$280
	Ring of Fire Throws out a fiery hot burst of flame that can pop anything.	Tack Shooter	4	$2,500

Premium Upgrades

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