Path 4 Upgrades

Dart Monkey
x/x/x/1 - [Heavy Darts] Darts can pop frozen bloons. ($110)

x/x/x/2 - [Bloontonium Darts] Darts can pop lead bloons. ($240)

x/x/x/3 - [Dart Rifle] Darts move 50% faster, have +2 pierce, and deal +1 damage. ($500)

x/x/x/4 - [Nuclear-Powered Rifle] Darts are fired twice as fast, move twice as fast, have +6 pierce, and deal +2 damage. ($2,400)

x/x/x/5 - [Super Rifle] Darts are fired as fast as a 0/0/0/0 Super Monkey, move four times as fast, have 25 pierce, and deal 7 damage. ($30,000)