A Fable game is one where the gameplay changes over time. The first time you play, the game starts in its initial state, which is a relatively simple state. But as you explore deeper into the game system, the mechanisms and gameplay experience will evolve.
You play the game many times, and each play changes the game slightly. However, the game is never permanently changed.
At any time you may easily restart a Fable game from the beginning, either after you have run through the entire game system, or at any time during the multiple plays you will get from this game system. The Fable game will remain just as playable on the 20th play as it was on the first play of the game. …