Calling Card | How to Get |
---|---|
Activate 1 UAV Towers in DMZ. | |
Activate 5 UAV Towers in DMZ. | |
Activate 10 UAV Towers in DMZ. | |
Activate 25 UAV Towers in DMZ. | |
Activate 50 UAV Towers in DMZ. | |
Activate 100 UAV Towers in DMZ. | |
Complete all UAV Tower Challenges. |