So well, there is a big thread about a enf rpg game.
I haven't played it but if you guys like to do stuff like that, then you should try
Saints Row: The Third. Saints Row is a open world game, kinda like gta but a lot better.
Here comes the enf part, start a new game and create your character. When you go to a clothes shop you can chose to wear nothing.
Enjoy
If you need any details then send me a private message with your e-mail because I have a private message limit per day and I can't e-mail all of you back.