🧩 Sliding Puzzle
The classic sliding puzzle (15 puzzle): slide tiles into the empty square until the numbers are in order. Three sizes: 3x3, the classic 4x4 and 5x5. Every shuffle is solvable. Free.
How to play
- Tap a tile next to the empty square and it slides in.
- You can also tap a tile farther away in the same row or column: all the tiles in between slide together.
- The goal: 1, 2, 3... in order, with the empty square at the end (bottom right).
- A tile that reaches its place gets a green frame.
Tips from the champions
- Solve the top row first, then the next one. Do not touch what is already in place.
- Solve the last two rows column by column.
- Start with 3x3 and work your way up.
What does it train?
- Solving problems step by step
- Order and numbers
- Patience
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