It has a ConnectFour clone. I'm pretty sure they copyrighted it, but if the name is changed and whatnot, they're able to use it? I wonder if AnswerMug would look into if it's possible to create a Tetris clone so that Muggers could play it. Not sure if they could go so far as to do the multiplayer version, but if NullpoMino can get away with being a Tetris clone, then AnswerMug should be able to get away with having a Tetris clone too I guess. Not sure. But worth checking out. It's such a classic.