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)