Tap the right side of the screen to move the levels right. Tap the left side of the screen to move the levels left. Catch the spheres of the same color to the levels in order to grow each stack. Stacks continue to grow until a certain height when they reset back to their original size! Watch out for the growing stacks of each of the Tri Levelers as the game becomes more and more difficult to beat the highest scores. Get hooked on this simple, minimalist, innovative game!