Here is a shooting game whose aim is to protect his headquarters against the enemy advancing in numbers by shooting them. You have much to do with the frantic pace of progress of the enemy.
Using a mouse to aim and left button to shoot. Click parachuted crates for new weapons.
(Automatic translation)
A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.