Hmm, could try playing a serial killer that "has" to murder something every 24 hours, and it has to be a named NPC in a town.... Sneak skill cannot be higher than 50 for this, you are not allowed to use any other weapon than Chance's Knife either.
You can play the rest of the game as you want to but every 24 hours someone innocent in a town has to die.
You also have to use Psycho every 12 hours, once at 8AM and once at 8Pm.
Organized:
* Be a serial killer.
* Murder an innocent civilian every 24 hours.
* A generic hostile NPC in the wastes does not count.
* It has to be a named NPC.
* Has to use Jet or Turbo when killing this innocent victim.
* Can only use Chance's Knife when murdering your innocent victim.
* Sneak skill CAN NOT be higher than 50. (You need the challenge.)
* You are not allowed to use any armor, only clothing for this, difficulty setting can be anything for this.
* Has to use Psycho every 12 hours, once at 8AM and once at 8PM.
* You are allowed to use whatever weapon of your preference out in the wastes.