15 Puzzle Game
Slide the numbered tiles to arrange them in order. Classic sliding puzzle game. Track your moves and time.
How to Play 15 Puzzle
Click 'Shuffle' to randomize the board, or start from the solved state.
Click any tile adjacent to the empty space to slide it.
Arrange numbers 1-15 in order. Green tiles are in the correct position.
Complete the puzzle in as few moves as possible.
Tips to Improve Your Score
- Solve row by row, starting from the top
- Complete rows 1 and 2 first, then the bottom two rows together
- Use the 'snake' method for the last two rows
- Green tiles are already in the correct position
Frequently Asked Questions
How do you play the 15 Puzzle?
Click tiles adjacent to the empty space to slide them into it. The goal is to arrange numbers 1-15 in order, left to right, top to bottom. The empty space should end up in the bottom-right corner.
Is every puzzle solvable?
Yes, all puzzles generated by our shuffle button are solvable. The shuffle uses 200 random valid moves from the solved state, ensuring a reachable configuration.
About the 15 Puzzle
The 15 Puzzle is one of our most popular brain training exercises. Designed to test and improve your cognitive abilities, this game provides instant feedback on your performance.
Regular practice with this type of cognitive exercise can help improve your mental processing speed, accuracy, and overall brain health. We recommend practicing for 10-15 minutes daily for the best results.
Your scores are saved locally on your device, allowing you to track your progress over time. Challenge yourself to beat your personal best with each attempt!