http://kotaku.com/#!5759337/the-non video-game-versions-of-tetris-demoed-for-you i don't understand the card game. it looks interesting tho...
Actually the colors for Tetris Link are by player, and not by piece. that's why they are wrong. in this game, you are trying to make your pieces touch each other to gain points, and not to make holes, which loses you points.
