Monster Invade

In the classic shooter game objective is simple: see the goal and shoot to kill. Monster Invade game - is no exception. You will have to move crowds of monsters, and if you do not shoot, they just have to eat and not choke. Importantly, did not let them get too close and have time to collect the bonuses on the field. Control of the game:
Move - W, A, S, D. Goal / shot - mouse.