Slide 21 is a sliding puzzle game The aim is to fill the game board with tiles and get all the rows and columns to add up to 21. The closer a row is to 21 the better the score. Swipe from a tile to a vacant space to spawn a new tile with a value 1 less than the tile you swiped from. The gameplay is easy to learn and highly addictive. FEATURES ====================== - 3 Game Modes (Sevens, Sixes, Fives) - Easy to learn gameplay - Multiplier blocks to increase your score