Cube15 is a mix between the Rubik Cube and the old fashion game '15 puzzle'.
The user must rearrange the 16 (or 25 in the 'Hard' mode) tiles swiping along row and columns.
It's not so hard as it seems!
Try to do your best time or to solve the puzzle with less moves you can.
Check your progress on Google Play Games, and challenge your friends to do better.
There are 4 different leaderboards in which you can compete.