15 and more

The "15 and more" is the classic puzzle 15 with amazing new features. The aim is the same: arrange the tiles swiping one by one or by groups. The main functions provided are: - count the number of swipe to get the solution; - memorize the best result; - change the type of tile: arabic number, latin letter, roman number; - choose the puzzle dimension: 4x4, 5x5, 6x6; - customize the complexity: 1 = simple; 10 = very hard.