Drone Radar
From Galaxy Attack: Alien Shooter Wiki
When you have this Expert Item enabled and you pick up a drone in the game, you have a chance to summon a second drone. The chance of summoning the second drone is as follows:
| Level 1 | Small |
|---|---|
| Level 2 | Moderate |
| Level 3 | Good |
| Level 4 | Great |
Obviously, mounting this Expert Item when you have no drones will not have any effect.
