Board Thread:Bloons Wiki and BTD News/@comment-220.255.1.101-20130420083550/@comment-25781005-20150206153044

Some ideas:

METAL CLASS BLOONS (all the ideas below):

Immunities: Sharp Projectiles (like lead)

STEEL BLOON

HP: 5

Drops: 2 Lead Bloons

RBE: 51

Speed: 1.8x Red Bloon

BRONZE BLOON

HP: 10

Drops: 2 Steel Bloons

RBE: 112

Speed: 1.6x Red Bloon

SILVER BLOON

HP: 20

Drops: 2 Bronze Bloons

RBE: 244

Speed: 1.3x Red Bloon

GOLD BLOON

HP: 50

Drops: 2 Silver Bloons

RBE: 538

Speed: Red Bloon

PLATINUM BLOON

HP: 150

Drops: 2 Gold Bloons

RBE: 1226

Speed: 0.8x Red Bloon

DIAMOND BLOON

HP: 600

Drops: 4 Platinum Bloons

RBE: 5504

Speed: 0.7x Red Bloon

U.R.A.N.I.U.M. (Undefeatable Raging Atomic and Neuclear-powered Intelligent Unlimited-supplier of Metal)

HP: 9000

Drops: 6 Camo Diamond Bloons, 12 DDT, 3 ZOMG

RBE: 103680

Speed: 0.25x Red Bloon (similar to BFB speed)

Special Properties: MOAB-class bloon that is Camo, immune to Monkey Pirates, recieves only 753 damage from MOAB Assassin (like ZOMGs), also immune to spells (Everything from the Monkey Apprentice -- that includes magical bolts, Lightning Bolts, Dragon's Breath, Summon Pheonix, Tornadoes) as well as sharp projectiles.