Sliding Number Puzzle
Classic 15-Puzzle Game
Arrange the tiles in numerical order by sliding them into the empty space. Challenge yourself with different grid sizes!
Game Controls
How to Play
Click on a tile adjacent to the empty space to slide it. Arrange all tiles in numerical order.
Arrange tiles from 1 to 15 with the empty space at the bottom-right.
Features
- 3×3, 4×4, 5×5 grid sizes
- Move counter
- Timer
- Best score tracking
- Auto-solve feature
- Solvable puzzle generation
- Smooth animations
- Responsive design
- Victory celebration
Puzzle Sizes
Easy - Great for beginners
Classic - Medium difficulty
Hard - For experts
Tips & Strategy
Start with corners: Position corner tiles first
Work row by row: Complete the top row, then move down
Plan ahead: Think several moves in advance
Practice: The more you play, the better you get!
History
The 15-puzzle was invented in 1874 by Noyes Palmer Chapman and became a worldwide craze in the 1880s.
Fun Fact: Not all random configurations are solvable! The puzzle uses mathematical properties to ensure solvability.
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