Sliding puzzle
The numbered tiles are mixed up and one space is empty. Slide tiles into the empty space until they read in order, with the empty space last.
Tap a tile next to the empty space to slide it. Put the numbers in order with the empty space last.
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How to play the sliding puzzle
- Choose 3×3 (eight tiles) or 4×4 (fifteen tiles).
- Tap a tile that touches the empty space to slide it there.
- Finish with the numbers in order from the top-left and the empty space in the bottom-right corner. Fewer moves is better.
Boards are mixed by sliding tiles from the solved position, so every board has a solution.
Solve the top row first, then the left column, and work towards the bottom-right. The last three tiles are rotated into place around the empty space.