ERROR RIPOFF OF FALLOUT DETECTED. NO SUCH THING AS "Vault XX" IN CURRENT UNIVERSE. CHOOSING MOST INTERESTING EXAMPLE...
Time: 2611, January 24th. The Noon Of The Ninetieth Sun.
You are Joshua Cernson. You are part of a tribe that is based around a chapel in the ruins of what used to be called Newgate, as told by the ancient texts. Newgate was not struck by the Second Sun that was created by mankind, but it still collapsed. You are an orphan, but you believe that doesn't matter since you were raised by the high priest, and will be his successor. You are about six years old now, and you are currently in the ruined bedroom of your abode. The holes in the walls are replaced with tapestries showing your tribe's victories and legends of an earlier time. You are currently wearing a tribal outfit, since you are not a High Priest just yet. Your shotgun lies on the ruined desk, with the buckshot for it next to it. Your ritual knife is embedded into the wall, thanks to a contest you gave yourself to pass the time. You wanted to see how far you could embed it into the wall.
It is time for your maturation. To be a true High Priest, you must understand the world around you. You have been kept up in this house for your entire life, and now you must go out and experience the world. If you were a normal child, you would be expected to go out into the wilderness and kill a mutant. Now...