Activity has being going slightly lower as of late, please tell us in Auggestion/Ideas what you would like to see on the forum to make you active and if your a guest feel free to sign up and do so as well, your opinion still matters!
I think it's pretty cool, especially how you compare your high-scores to your friends (beat one of yours last time I played by the way Red) although I have not had much time to toy with it.