So you think you can add? Grids is an exciting, fun-filled game that exercisessome of those basic math skills. But it is not all serious work and you canstill enjoy the game without bothering with the math. A great game for playersof all ages, especially useful to get kids excited about math.16 numbered tiles are organized in a grid. Adjacent tiles are swiped togetherto earn points equal to the sum of the 2 tiles (plus some variations). The objective of the game is to maximize your points and add some sizzle to thathigh score table! Multiple levels are available, with each level adding sometwist to the game. Basic levels can be played for free; advanced levels canbe unlocked with an in-app purchase.This game works great on all screen sizes, whether a 4-inch phone or a 12-inch tablet.