Ne Ne Ne Ne...

Ne Ne Ne Ne... is a one-star (★) challenge added in the Fallout: New Vegas add-on Gun Runners' Arsenal.

Challenge Requirements
The player must cripple five right arms with any shotgun.

Effects
Grants 250 XP upon completion.

Behind the scenes

 * This is a reference to the film RoboCop, in which Alex Murphy was dismembered by a shotgun while Clarence Boddicker uttered a beeping noise (which sounded like 'ne ne ne ne') beforehand.