Tier
Upgrade
Prerequisites
City Cash cost
Time (minutes)
XP for researching
1
Long Range Darts
—
200
5
25
2
Enhanced Eyesight
City Level 2, Camo Countermeasures built
1,000
30
50
3
Spike-O-Pult
City Level 10
6,000
1,440
350
4
Juggernaut
City Level 18, Giant Projectile Workshop built
10,500
1,440
600
1
Sharp Shots
—
240
10
25
2
Razor Sharp Shots
City Level 2
1,200
60
50
3
Triple Darts
City Level 10
4,800
1,440
300
4
Super Monkey Fan Club
City Level 20, Super Fan Clubhouse built
32,000
2,880
1,000
Tier
Upgrade
Prerequisites
City Cash cost
Bloonstone cost
Time (minutes)
XP for researching
1
Long Range Darts
—
200
—
5
25
2
Enhanced Eyesight
City Level 2, Camo Countermeasures built
1,000
—
30
50
3
Spike-o-pult
City Level 10
6,000
20
1,440
350
4
Juggernaut
City Level 18, Giant Projectile Workshop built
10,500
50
1,440
600
1
Sharp Shots
—
240
—
10
25
2
Razor Sharp Shots
City Level 2
1,200
—
60
50
3
Triple Darts
City Level 10
4,800
20
1,440
300
4
Super Monkey Fan Club
City Level 20, Super Fan Clubhouse built
32,000
50
2,880
1,000
Tier
Upgrade
Prerequisites
City Cash cost
Bloonstone cost
Time (minutes)
XP for researching
1
Multi-Target
—
300
—
10
30
2
Glaive Thrower
City Level 4
1,800
—
60
70
3
Glaive Riccochet
City Level 10
6,000
20
2,880
400
4
Glaive Lord
City Level 18, Archives of Knowledge built
18,000
50
2,880
1,000
1
Sonic Boom
—
200
—
15
25
2
Red Hot 'Rangs
City Level 4
1,200
—
60
50
3
Bionic Boomer
City Level 12
7,500
20
2,880
300
4
Turbo Charge
City Level 20, Biomech Enhancements built
28,000
50
2,160
800
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