If all-things-housing is your idea of fun, then Realius has the game for you: Guess the value of various homes -- California only at this point.

MortgageNewsDaily.com calls the Price Me Now game "the equivalent of fantasy baseball or football for the real estate wonk."

Realius notes in its blog that you're guessing what the selling price will be on homes that are still listed:

The object of the game is to guess what you think a home will sell for. As the game plays today, you’re not actually scored against how close your guess is to the List Price. The interface strongly suggests this, but that’s not the case. In fact, your accuracy is based on how close you are to the moving average of all of the user guesses.