Sweet Half-Life

You are McGinley, the black mesa warehouse manager. You feel that something is going really wrong, and you were right. As you let the scientist escape by locking the garg by the first door, he wants you to check the cargo terminal, but not before you get an HEV Suit, a crowbar and a glock. You see aliens have invaded the area. It’s a good time to put your weapons in action, and mow down the cargo terminal.