Upgrades

 are purchasable items that are bought with money. They give the tower that they are bought for an improvement.

Dart Monkey
Description: A monkey that shoots a single dart to pop a single bloon.

Prices: Upgrades:
 * Easy:170
 * Medium:200
 * Hard:215
 * Piercing dart: Pops 2 bloons instead of 1.
 * Long range darts: Increases range of monkey.
 * Spike-o-pult: Turns into a spike-o-pult. Increases range and shoots a spike that goes across the screen, popping bloons.
 * Triple shot: Fires three spiked balls at once!

Tack Shooter
Description: Shoots a volley of 8 tacks with short range. Upgrades:
 * Easy: 305
 * Medium:360
 * Hard:390
 * Faster shooting: Shoots faster.
 * Extra range: Increases range.
 * Blade shooter: Shoots blades instead of tacks, blades have more range.
 * Ring of fire: Increases range and shoots a wave of fire that pops everything.

Boomerang Thrower
Description: Shoots a boomerang in a curve pattern. Prices: Upgrades:
 * Easy:340
 * Medium:400
 * Hard:430
 * Multi target: Boomerang will hit up to 7 bloons.
 * Sonic boom: Boomerang will be able to pop frozen bloons.
 * Glaive thrower: Boomerang will hit up to 12 bloons.
 * Lightsabre Thrower: Lightsabre slices through everything, popping up to 70 bloons.

Bomb Tower
Description: Slow firing bomb that pops many bloons at once. Prices: Upgrades:
 * Easy:595
 * Medium:700
 * Hard:755
 * Bigger bombs: Shoots bigger bombs.
 * Longer range: Increases range.
 * Missile launcher: Increases range and fires missiles instead of bombs, missiles fly faster and further.
 * MOAB mauler: Causes 10x more damage to MOAB’s and BFB’s

Ice Tower
Description: Freezes bloons but has short range. Frozen bloons are immune to anything sharp. Prices: Upgrades:
 * Easy:325
 * Medium:380
 * Hard:410
 * Improved ice tower: Increases range and freeze time.
 * Permafrost: Slows down bloons even after they thaw out.
 * Snap freeze: Pops 1 layer of bloons and then freezes.
 * Arctic wind: Increases range and bloons slow down by 66% within its radius.

Mortar Tower
Description: Aims at a single spot anywhere on the map. Prices: Upgrades:
 * Easy:700
 * Medium:825
 * Hard:890
 * Greater accuracy: Increases accuracy of mortars.
 * Rapid reload: Increases fire rate.
 * Bloon buster: Smashes through 2 layers of bloons.
 * Mortar battery: Shoots 3x faster.

Glue Gunner
Description: Shoots glue that slows down bloons. Prices: Upgrades:
 * Easy:255
 * Medium:300
 * Hard:325
 * Stickier glue: Glue lasts longer
 * Glue soak: Glue goes through all the layers of bloons.
 * Corrosive glue: Pops bloons every 2 seconds.
 * Glue splatter: Glue splashes affecting up to 20 bloons.

Monkey Beacon
Description: Does not attack and provides boosts to the towers within its range. Prices: Upgrades:
 * Easy:850
 * Medium:1000
 * Hard:1080
 * Wider influence: Increases range.
 * Jungle drums: Gives a boost to attack rate to towers within its range.
 * Sonar beacon: Allows towers within its range to shoot camo bloons.
 * Monkey storm: Gives the beacon a special attack that wipes out the whole screen, has a price and a cool down time. Unique.

Monkey Ace
Description: Flies above towers and the map in a figure 8 pattern, shoots a volley of 8 darts. Prices: Upgrades:
 * Easy:765
 * Medium:900
 * Hard:970
 * Pineapple express: Sometimes drops explosive pineapples on the map.
 * Spy plane: Allows detection of camo bloons near the plane.
 * Rapid fire: Shoots faster.
 * Operation: Dart storm: Shoots twice as many darts.

Monkey Buccaneer
Description: Can only be placed on water. Has a long range and shoots a single heavy dart. Prices: Upgrades:
 * Easy:510
 * Medium:600
 * Hard:650
 * Grape shot: Adds a small volley of grapes to the shot.
 * Crow’s nest: Allows detection of camo bloon within its radius.
 * Longer cannons: Increases range.
 * Battle ship: Shoots 3x faster.

Monkey Apprentice
Description: Very flexible. Uses its old and new magic. Prices: Upgrades:
 * Easy:470
 * Medium:550
 * Hard:595
 * Intense magic: Pops 7 bloons instead of 2.
 * Fireball: Throws a fireball that explodes on impact.
 * Summon whirlwind: Causes a whirlwind that sends bloons back the map but thaws out and removes glue.
 * Tempest tornado: Massive whirlwind that sends back bloons and pops up to 120.

Super Monkey
Description: Shoots super fast and has a big range. Prices: Upgrades:
 * Easy:3400
 * Medium:4000
 * Hard:4320
 * Super range: Greatly increase range.
 * Laser vision: Can pop 2 bloons at once and frozen bloons.
 * Plasma vision: Shoots twice as fast and destroys anything it touches.
 * Sun god: Shoots 3 golden beams in a spread pattern obliterating everything.

Banana Farm
Description: Does not attack. Gives extra $80 at the end of each round. Very helpful. Prices: Upgrades:
 * Easy:850
 * Medium:1000
 * Hard:1080
 * More bananas: Gives 120 money per round.
 * Banana plantation: Gives 250 money per round.
 * Banana republic: Gives 500 money per round.
 * Banana research facility Gives 2000 money per round.

Dartling Gun
Description: Shoots darts rapidly but a little inaccurately to wherever your mouse is. You can decide exactly where this tower will shoot by moving your mouse wherever you want!

Prices: Upgrades:
 * Easy:1065
 * Medium:1250
 * Hard:1350
 * Steady Firing: Lowers the firing spread.
 * Powerful Shots: Makes darts fly out with greater speed, and makes them pop 3 bloons at once.
 * Increased Barrel Spin: Increases the gun's fire rate.
 * Laser Cannon: Converts to a cannon that shoots super powerful beams able to cause massive bloon damage.

Spike Factory
Bigger Stacks: More tacks= win

White Hot Spikes: Now, tacks could pop lead bloons

Faster Production: Produces tacks faster

Spike Storm: Every 15 seconds, the factory generates a storm of short-lived tacks filling up the entire track.

Dart Monkey
Shoot a single dart that pops a single bloon. A good, cheap tower suitable for the early rounds.

Path 1
Long Range Darts: Increase range.

Enhanced Eyesight: Further increase range and can detect camo.

Spike-O-Pult: Become a spike-o-pult, shoots spiked ball which can pop up to 18 bloons and increase range but decrease attack speed.

Juggernaut: Spiked ball become bigger, and able pop up to 100 bloons, included frozen and lead, and 5 damage to ceramics.

Path 2
Sharp Shots: Extra 1 pierce.

Razor Sharp Shots: Extra 2 pierces.

Triple Darts: Now throw 3 darts.

Super Monkey Fan Club: Ability: Converts upt o 10 nearby dart monkeys into Super Monkeys for 15s.

Path 1
Faster Shooting: Shoot faster.

Even Faster Shooting: Shoot even faster.

Tack Sprayer: Shoot 16 tacks now.

Ring of Fire: Shoots out a ring that pops 60 bloons, included frozen and lead bloons. Also increase range.

Path 2
Extra Range Tacks: Increase range.

Super Range Tacks: Further increase range.

Blade Shooter: Shoots blades. Bigger, and more pierce.

Blade Maelstrom: Ability: Covers the screen in an unstoppable blades.

Bloons Tower Defense 6
[We really need to catch up...]