Sliding Puzzle
Slide tiles to arrange numbers in order. Classic 15-puzzle game - free to play online!
Click/Tap a tile next to the empty space to slide it
Keyboard: Use arrow keys or WASD to move tiles
How to Play Sliding Puzzle
Basic Rules
- 1.The puzzle starts with tiles in random positions
- 2.Click or tap a tile adjacent to the empty space to slide it
- 3.Arrange all numbers in order from 1 to N
- 4.The empty space should end up in the bottom-right corner
Pro Tips
- Start by solving the top row first
- Then solve the left column
- Work on smaller remaining sections
- Use keyboard arrows for faster solving
Frequently Asked Questions
What is a sliding puzzle?
A sliding puzzle (also known as the 15-puzzle or N-puzzle) is a classic puzzle game where you slide numbered tiles to arrange them in numerical order. The puzzle has one empty space that allows tiles to move.
Are all sliding puzzles solvable?
Not all configurations are solvable. Our game ensures that every puzzle generated is solvable using mathematical parity checks. You'll never get stuck with an impossible puzzle!
What's the best strategy for solving?
The most effective strategy is to solve row by row and column by column. Start with the top row, then the leftmost column, and continue working on progressively smaller sections until solved.
What's the minimum number of moves to solve?
The minimum moves depend on the starting configuration. For a 4x4 puzzle, some positions require over 80 moves to solve optimally. Most casual players complete it in 100-200 moves.
Which grid size should I start with?
If you're new to sliding puzzles, start with 3x3 (8-puzzle) to learn the mechanics. Once comfortable, try 4x4 (the classic 15-puzzle), and challenge yourself with 5x5 for expert-level difficulty.
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