This is a nice game I used to play with my friends. It's called the Three word story game.
It goes like this:
I start a story with Once upon a... and then someone adds three more words like
Once upon a time there was...

The story doesn't always have to make sense. It SHOULDN'T always make perfect sense It would be nice if you avoided offending people.
Posts which have more than three words will be ignored.

After maybe 50 pages or so, we start the next chapter, again with something like "Once there was..." or "One fine day..." or whatever

Let's begin, shall we
Once upon a ...