I have an idea of a game. I would call it "collective writing". The rules are pretty simple. Just add one world to the previous writing. You can start a new sentence as well.
So I start with word:
"Once"
Who's next ?
"Hey Dog! Get over here and take a look at this". "I think the Master has bought a new vehicle." bleated the goat.
Dog watched the doorway intently, a saw a small grey figure step out.
Their eyes met.
Just then a door opened and the strange light became stronger. A ladder began to protrude through the doorway ...
The UFO landed slowly on the grass under amazed eyes of the goat. She had never seen before an UFO!
The goat saw an ovni floating on top of the house