To get the Facebook and twitter levels, just click on it, close the tab that opens facebook/twitter and you get 8 free levels, so for the hard badge you can skip 8 levels if you want!
Guy 1: What shall we do? Guy 2: Let's buy a turtle and shoot it with a cannon! Guy 1: Good idea! But what if it lands in spikes? Guy 2: Get it out the spikes and fire it again!
@comstock76: use a mortar or upgrade ship/plane/monkey beacon. With mortar you can shoot where you want and buildings in range of ship/plane/monkey beacon can shoot at camo's (ship and plane can do it by themselves to). and of course a tack if there are other bloons and so there AT LEAST 15 ways.
'Round 15 passed. 114 money awarded.
The coveted fourth upgrade for each tower type is extremely powerful. Each one needs to be unlocked before use.'
Shouldn't 'coveted' be 'covered'?
 "Raze 2"){kind=icon}
 "You Have To Burn The Rope"){kind=icon}
 "Jelly Escape"){kind=icon}
 "Epic Combo!"){kind=icon}
 "Relive Your Life"){kind=icon}
 "Perfect Balance 2"){kind=icon}
 "Portal: The Flash Version"){kind=icon}
 "Mushroom Madness 2"){kind=icon}
 "Toss the Turtle"){kind=icon}
 "Bloons Tower Defense 4"){kind=icon}
 "Paladog"){kind=icon}
 "WarLight"){kind=icon}
 "Fred the Fly"){kind=icon}
 "Nano Kingdoms"){kind=icon}