The game : 13

Description:

“13: the game” is an incredibly simple and enjoyable puzzle game. Click on a box on the board, and all surrounding boxes with the same number will merge to form a higher digit. Aim to reach the number 13 in a box. It may seem easy, but only 0.3% of players can achieve it. Are you up for the challenge? Click on a box and merge similar ones to reach the number 13.