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🔢 15 Puzzle
Slide tiles into numerical order in this classic sliding puzzle. Three difficulty levels control how scrambled the board is. Beat your best score by solving it in fewer moves and less time!
📖 How to Play
Click or tap a tile next to the empty space to slide it. Use arrow keys on desktop. Arrange tiles 1–15 in order from left to right, top to bottom. Fewer moves = higher score!
⭐ Features
- ✓ 100% free — no purchases, no paywalls
- ✓ Plays directly in your browser — no download required
- ✓ Works on desktop, tablet, and mobile
- ✓ Smooth 60fps HTML5 Canvas gameplay
- ✓ Your high scores are saved locally
- ✓ No registration or account needed
❓ Frequently Asked Questions
▶How do you win the 15 Puzzle?
Arrange all 15 numbered tiles in order from 1 to 15, reading left to right and top to bottom, with the empty space in the bottom-right corner.
▶Are all 15 Puzzle configurations solvable?
Not all random arrangements are solvable — about half are unsolvable. In this game, the board is always generated by shuffling from the solved state, guaranteeing every puzzle is solvable.
▶What is the best strategy for the 15 Puzzle?
Solve the top two rows first by placing tiles 1–4 then 5–8. Then solve the bottom two rows simultaneously using cycling patterns. Hard mode requires 200+ shuffle moves, so careful planning beats brute force.
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