Invisible Fifteen

A popular classic puzzle - Fifteen. Collect all the numbers in ascending order: from left to right, starting from the upper left corner. A great way to pass the time, and to train your memory, attention, hand motor skills. Intuitively simple and convenient interface. Five levels of the game (3 × 3, 4 × 4, 5 × 5, 6 × 6, 7 × 7). Blind game mode. (A good opportunity to try your hand) There is a choice of colored spots. (It also helps to memorize numbers for playing blind) Game timer with saving the best result (to view, hold the field ** sec) Movement counter while maintaining the best result (hold ** steps to view)