Creating a Tetris game to be played on the side of a Seattle skyscraper is undoubtedly a huge undertaking, but that's relatively easy for a company with resources and ready-made components at its disposal. On the other hand, creating a Tetris game to be played on a computer built from scratch to resemble a blown up microprocessor probably takes the cake. It's also insanely hard too. But that's exactly what James Newman from Cambridge has accomplished. Both creating what he calls a "megaprocessor" and using it for what it does best: playing Tetris.