The Game, on a higher difficulty level. The same basic rules apply:

1: By knowing of the game, you start playing.
2: You can never win, only lose.
3: You lose by thinking about The Game.
4: Upon losing the game, you must announce "I lost The Game", bringing every other player down with you.
5: Once the knowledge of The Game is passed to you, you are always playing.

The Alterations Include:

1: Upon loosing The Game, you only have 15 minutes in which to think about it freely.
2: If anyone asks about The Game, you must explain it to then in Hard Mode Rules.
3: If, at any point, you see/think about/hear the number 47, you loose, regardless of any other rules in play.