Popping power bonus 1 Range bonus 15% Speed bonus N/A Radius of influence: 0.9 (relative to a Dart Monkey's range)
Wider Influence 260/300/320Edit
Rad. of influence increased by 30%.
Sonar Beacon 2100/2500/2700Edit
Rad. of influence increases by another 40% and enables camo targetting for all in range.
Monkey Armory 2100/2500/2700Edit
popping power bonus increased by 3.
Monkey Intelligence Bureau 4300/5000/5400Edit
10% greater radius, range bonus is 17% (20% with enhanced fort), allows popping of any bloon type.
M.I.B. Call to Arms 15300/18000/19400Edit
5% greater radius.
Call to Arms ability:Edit
for 12 seconds, all in its range gets x2 speed and popping power. 72 second recharge.
Enhanced fort 510/600/650Edit
Popping power bonus increased by 1 Range bonus increased to 17%
Jungle Drums 1300/1500/1600Edit
Also provides a 15% speed bonus
More Cash 4300/5000/5400Edit
+ $15 for every 100 bloons popped within its range.
Fortress Guards 13000/15000/16250Edit
The fortress is guarded by a pair of 2-0-0 Super Monkeys. (Considered part of the same tower)
Monkey Castle 18750/22000/23750Edit
Generates an additional $500 a round, the radius of influence is increased by 40%, and the popping power bonus is increased by 1.
King's Own ability:Edit
for 9 seconds the 2 super monkey guards will attack at x3 speed and be equivelant to 3-0-1 super monkeys instead of 2-0-0 ones. 65 second recharge.
LDS (Laser Defense System) $1100Edit
Adds a laser cannon which blasts a single bloon at speed 4.3
LDP (Laser Defense Program) $1200Edit
Laser becomes affected by all the fort's non-range bonuses.
SLASH (Super Laser AirShip Hater) $3000Edit
Laser deals more damage to blimps, breaks through 2 layers
SDI (Specialized Destruction Irradiation) $7000Edit
Laser breaks through 5 layers, deals even more damage to blimps
Ray of Win $45000Edit
Laser fires 5x as fast!
Ultima: Fortress of Ultimate Win $60000Edit
$700 a round
Castle's range and guards
All effects of Castle and M.I.B. combined