Tank (AnotherPersonAsAlways' conception)

The tank is a tower that shoots explosive shells at bloons, their explosions are pretty small (60px diameter) but they make up for that by having 2 layers (Drops into the shell again, but it can't produce another one)

Stats
Range: 0/1 super monkey

Fire rate: 1/s

Explosion size: See above

Shell layers: 2

Layers shredded / explosion: 1

Camo: No

Cost: $750

Left path
Heavy materials ($350)

Grants 5 AD

Faster firing ($400)

Fires once evey 0.7 seconds

Double cannon ($1200)

Fires 2 shells at once!

Extension tank ($5000)

Adds two dart machine guns which act like 0/1 super monkeys aimed by the tank!

Bullet hell ($12000)

Adds three shell shooting cannons, one shooting layer 4 (Or, with the extra layer upgrade, 5) shells, 2 more dart machine guns and 2 laser cannons!

(The laser cannons fire at a rate of once per second, the lasers themselves pop 10 bloons + frozen)

Right path
Extra layer ($300)

Shells are now layer 3 shells, turning into layer 2 shells once exploding

Bigger blasts ($600)

Blast diameter is now 100px

Rocket carrier ($2000)

Carries rockets which blast with an 250px diameter, popping two layers of off bloons and dropping a line of 3 layer 2 shells!

Mega rockets ($5000)

Rockets become mega rockets, blasting in a 350px diameter, popping three layers and dropping 1 standard rocket from the previous tier and 2 layer 3 shells beside it

The SDG ($8000)

Seeking Destructive Giant ability: Fires a giant rocket which it and it's children and grandchildren e.t.c home on bloons, this itself explodes in a 600px diameter dealing 10 damage, it is the parent of 3 mega rockets. Cooldown: 60 seconds.