The Dagger Monkey is a melee tower, it can pop bloons when they touch it, and since it has a visor, it can also atttack camo bloons! Cost: $450 on Easy, $600 on Medium, $725 on Hard, and $915 on Impoppable. How to unlock: Open the purple gift by popping 100,000 bloons to get the Dagger Monkey along with an extra 2000 Monkey Money.