About Slide Puzzle
Slide Puzzle is the timeless 15-puzzle. Slide numbered tiles into the empty space until they are in order from 1 to the last number.
Start with an easy 3×3 grid, then move up to the classic 4×4 and the tough 5×5. Fewer moves and a faster time earn more points.
How to play Slide Puzzle
Click a tile in the same row or column as the empty space to slide it, or use the arrow keys.
Controls
| Click tile | Slide |
|---|---|
| Arrow keys | Slide |
Features
- 3 grid sizes
- Smooth animations
- Colour hints for correct tiles
- Always solvable
Categories: Puzzle games · Tags: 15 puzzle, sliding tiles, numbers, classic · Added November 10, 2026



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