Some guy created a father and daughter in The Sims 3, and left them to their own devices, popping in every now and then to take screenshots and post their lives on his blog.
Some of it is rather amusing, though you have to wonder how much really is the Sims autonomy, and how much is him.
!King_Amazon!: I talked to him while he was getting raped
[quote][16:04] jamer123: GRRR firefox just like quit on me now on internet exploder[quote]
...
[quote=!King_Amazon!]notices he's 3 inches shorter than her son and he's circumcised [quote]