OK, so you may be turned off by the title, being a pun, but other than that, it's not made by Mystique. It's a homebrew. And it's basically Connect Four on the Atari 2600, but with a different board size. The AI is very tough to beat, even on level 1 (it may be that I'm a moron, but that's how I found it.) The object of the game is to get four dots in a row. But there is gravity, so you can't pick just any ol' square. Here are two screenshots:
