3×3 Sliding Puzzle

How to play

Tap a tile next to the empty space. Put the numbers in order.

Skills

Sliding puzzles build planning, spatial reasoning and an understanding of how one move changes the next available moves.

How difficulty grows

Challenge grows naturally as pieces move farther from their targets and more moves must be planned ahead.

Example task

Choose a tile next to the empty space and ask whether the move brings the picture closer to the final arrangement.

When to move on

When 3×3 is comfortable, move to 4×4 and try to reduce unnecessary moves.

The game starts instantly and does not require an account.