15Puzzle

Nov 3, 2016

The practice mode of the easy problem was added.

version1.2
Practice mode
Difficulty goes up according to ability.

version1.3
The screen was made to fit.

version1.5
Ranking was difficultly renewed for the problem.
It is difficult to cut for 20 seconds.

version1.6
The point was made more difficult and a rank was changed.