The gravity gun

the gravity gun is not a gun a device for grabing and moving items that may be a hazard to human life it is a orange colored gun that holds items. the mouse 1 makes you fire

mouse 2 is to pick up things.alyx may of used it to move land mines from line about the gun.in episode 2 the gun gets supercharged it turns blue and can pick up almost anything.in gmods the blue gravity gun is the pysics gun,a weapon used to pose ragdolls,move npcs and props. the normal gavity gun is in game but is rarely used in game becuase of the pysics gun.