Mortar

The mortar shoots shells at bloons from a pretty far range. It does area damage but the shells do not always hit.

Upgrades

 * 1) Increased Accuracy-Shells are more accurate.
 * 2) Faster Reload-The mortar shoots faster.
 * 3) Bigger Blast-The explosion area increases.
 * 4) Rapid Reload-Shoots even faster.
 * 5) Pinpoint Accuracy-Have greatly improved accuracy.
 * 6) Frag Shells-Shells explode into frags, popping more bloons.
 * 7) More Violent Explosions-Explosions deals more damage in a bigger radius.
 * 8) Faster Cooldown-The mortar can shoot more shells before overheating.
 * 9) Burny Stuff-Sets bloons on fire.
 * 10) Bloon Buster-Deals two layers of damage.

Path 1

 * 1) Shell Shock-Shockwaves stun bloons on impact and pops bloons further out.
 * 2) The Big One-Devastatingly large explosions pop five layers of bloon.
 * 3) The Biggest One-Pops twelve layers of bloon over a massive area, enough to destroy a diamond whole!

Path 2

 * 1) Heavy Shells-Shells deals extra damage to metallic, ceramics, stone, diamond, obsidian and all fortified bloons.
 * 2) Artillery Battery-Three barrels for triple the pain.
 * 3) Pop and Awe-Every two minutes, stuns all bloons and bombards them with shells.

Path 3

 * 1) Signal Flare-Camo bloons popped by the fire loses their camo status permanently.
 * 2) Shattering Shells-Shells strip camo, regrow and fortified status of all but the biggest bloons.
 * 3) Blooncineration-Burns through five layers each time and can burn up MOAB-class bloons.