Kitty Litter A Fast-Moving Matching GameQuick rounds and endless fun make Kitty Litter a purr fect addition to any family game collection! Everyone plays at once, so there's no waiting for turns. It's easy to learn: lay down a starting square of four colorful kawaii kitty tiles. Players race to place their stack of tiles down by matching color stripes side by side, domino style. At least 2 colors must match to place each tile; if 3 colors match, that's a "Cat Scratch" and you get to offload