How to Play Sliding Puzzle
Overview
The Sliding Puzzle (also known as the 15 Puzzle, Gem Puzzle, or Boss Puzzle) is a classic sliding block puzzle invented in 1874. It consists of numbered square tiles in a frame, with one tile missing, allowing tiles to slide into the empty space. The goal is to arrange the tiles in numerical order.
Rules
- 1The puzzle has a grid of numbered tiles with one empty space.
- 2Only tiles adjacent to the empty space can be moved.
- 3Click or tap a tile to slide it into the empty space.
- 4Arrange all tiles in numerical order from left to right, top to bottom.
- 5The empty space should end up in the bottom-right corner.
Controls
Click/TapMove a tile into the empty space
Arrow KeysSlide a tile in that direction
Ctrl+ZUndo last move
Ctrl+YRedo move
Grid Sizes
3×3
8 tiles
4×4
15 tiles
5×5
24 tiles
6×6
35 tiles
Solving Strategies
Row by Row Method
Solve the top row first, then the second row, and work your way down. Once a row is complete, you won't need to disturb it.
Corner Strategy
For the last two rows, solve the left column first, then complete the remaining 2×2 or 2×3 section.
Practice Patterns
Learn common tile movement patterns. Moving tiles in a circle around the empty space is a key technique.