Space Games > Arcade Games > Global Defense System
Global Defense System
Click to Play
Controls
Select Secondary Ammo: Q, W and E
Select Primary Ammo: A, S and D
Select Secondary Ammo: Q, W and E
Select Primary Ammo: A, S and D
Instructions
It is up to you to save the world from a wave of asteroids that are heading straight toward Earch!. Upgrade and buy weapons platforms between levels. Every weapons platform has the capacity to hold up to two types of amoo. Earn cash by destroying asterods. Automated turrets can be purchased. Turrets require visibility in order to function well. You can increase visibility between levels.
It is up to you to save the world from a wave of asteroids that are heading straight toward Earch!. Upgrade and buy weapons platforms between levels. Every weapons platform has the capacity to hold up to two types of amoo. Earn cash by destroying asterods. Automated turrets can be purchased. Turrets require visibility in order to function well. You can increase visibility between levels.