Tetris and Game Boy go together better than peanut butter and jelly. With the bright colors available in Tetris DX for Game Boy Color it's become a match made in heaven. Opting not to tamper with perfection, the developers have delivered a classic Tetris game. The main difference between this game and its portable predecessors is the presence of colorful graphics. The backgrounds change color as you build lines and the brightly colored pieces are easy to see.