Best FPS weapons of all time?

[masschamber]

seriously the super shot gun in doom 2, nothing else comes close to it's versatility, near unlimited ammo, and enough power to put down all but the strongest enemies in 1 hit, basically once it's found there is no reason to use another weapon unless in a rare instance were you run out of ammon



but I don't get what people see in the gravity gun, anything can be a weapons especially the giant saw blades every were, why are they there so the gravity gun can be used for throwing more then cardboard boxes?