Rory's Story Cubes makes it okay to make up stories. The game has an infinite number of story options meaning the game could never end. Each player starts a story with "Once upon a time..." and uses the nine cubes as a plot and ending. Luckily with this game, this is no wrong move.
Meant to be a game that sparks imagination, Rory's Story Cubes has an infinite number of ways it could be played. The rules are that there are no rules!