Set Lasers for Fun

Set Lasers for Fun is both a damage challenge and challenge perk in Fallout: New Vegas.

Challenge requirements
The Courier must deal 16,000 damage with pistol grip energy weapons for one rank and 25,000 damage with rifle grip energy weapons for the other, despite the fact that the challenge and perk description state laser weapons.

Effects
The player's critical hit chance with Energy weapons is increased by a flat +2% per rank.

Behind the scenes
The name is a reference to the Star Trek line, "Set phasers to stun."