Slide Puzzle

Slide the numbered tiles into the empty space until they run in order from 1 upward.

Difficulty
High score
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Tap a tile in the same row or column as the empty space to slide it, and the tiles between, into the gap. Put the numbers in order with the empty square last. Fewer moves earn a higher score. Easy is 3×3, Standard 4×4 and Hard 5×5.

How to play
  1. Tap a tile next to the empty space to slide it.
  2. Put the numbers in order: 1 first, the gap last.
  3. Fewer moves earn more points.
Tips and tricks

A few ideas that make Slide Puzzle easier and more fun:

  • Solve the top row first, then the next one down.
  • For the last two rows, finish column by column from the left.
  • Tap a tile farther along the row or column to slide several at once.
About Slide Puzzle

Play Slide Puzzle online

Sliding-tile puzzles have been popular for well over a century, from wooden boxes to phone screens. Biuno shuffles by legal moves only, so every puzzle can be solved.

Why it works

You imagine where each tile will end up and plan a few slides ahead. The task uses spatial reasoning and planning.

These are the skills used during play; improvement outside the game is not established.