About this game
15th puzzle, AI solver, endless problem generation, step by step teaching by AI to help you learn how to solve the puzzle, levels are from easy to hard.* Classical 15th puzzle game, problem is generated all the time, you can play forever.
* AI is built to help you solve any puzzle, you can also learn from AI to understand how the problem is solved.
* Design for beginners and experts to master this number puzzle game.
* No advertisement, simplified interface to focus on solving the puzzle game.
* Different colors to customize the number tile, you can also set the solving speed from AI.
* Stars will be awards once you finish one puzzle.
