Gridstones is an elegant, gripping game of strategy and visualization. Designed by Toronto native Tim W. K. Brown, this critically-acclaimed abstract strategy and puzzle game is quick, fun, easy-to-learn and great for the whole family. Simply place or remove STONES on or from the GRID to create a match to the cards in your hand - but be careful, your opponents will be trying to match their cards too, and the grid will change with every turn. So if you’re up to the challenge, grab a friend, or six, and get hooked on this engaging, strategic game of pattern matching. Grid size versus number of players: 4x4 grid - 2 Players 5x5 grid - 3 or 4 Players 6x6 grid - 5 or more players