Heh, I think this game will be long lived. Very long lived... (Hey, I just noticed that I tend to roleplay crazy assassins a lot)
Well, when you've had enough there's this one game from an old forum I remember: The liar game. Post three statements about yourself or something else where two are true and one is a lie. The person below must identify the lie.
Then there's the old this or that game (ebola or AIDS) and the letter game (a topic is chosen, e.g. countries, then player A says Monaco so player B has to name a country starting with the letter O. The first player who cannot loses).