This is discussion archived from a time before the current discussion method was installed.
One potential solution is Wikiventures - allowing users to add whole story branches on their own.
Of course, this opens the game story to vandals, so some kind of moderation/account system may be in order.
Or, alternatively, split the game into a Mainline version and a Public version and have a review process for adding changes to the Mainline.
Could someone explain the math in the intro on the combinations? 100x99= 9,900, and 100x99x98x97= 94,109,400.