Sliding Numbers
🔢 Sliding Numbers
Slide numbered tiles to arrange them in order - classic puzzle!

About Sliding Numbers
Sliding Numbers is a classic puzzle game that challenges your logical thinking and spatial reasoning. Slide numbered tiles on a grid to arrange them in sequential order using the single empty space as your maneuvering tool. Multiple grid sizes from easy 3x3 to challenging 5x5 provide varying difficulty levels. This timeless puzzle, also known as the 15 puzzle, has been challenging minds since the 1880s — and it remains one of the purest tests of spatial reasoning and sequential planning.
Game Features
How to Play
- 1Tap any tile adjacent to the empty space to slide it into the gap
- 2Rearrange all numbered tiles into sequential order (1, 2, 3, ...)
- 3The empty space should end up in the bottom-right corner
- 4Complete the puzzle with the fewest moves possible for the best score
- 5Challenge yourself with larger grids as your skills improve
- 6Use the undo button to reverse moves when you make a mistake
- 7The timer tracks your solving speed — compete against yourself!
Tips & Strategies
Solve the top row first, then work your way down row by row
Plan 3-5 moves ahead — random sliding rarely leads to solutions
Use the empty space strategically as a temporary holding position
Don't undo too much — learning from mistakes builds pattern recognition
Start with 3x3 grids to learn the fundamental techniques
The last two rows should be solved together as a unit
Practice the "corner technique" for placing tiles in the correct position



