How do you play 15 Puzzle?

Tap any tile next to the empty space to slide it into that gap, and keep sliding until the numbers read 1 to 15 in order with the empty space in the last slot. On desktop you can also use the arrow keys to move tiles.

What makes the 15 Puzzle tricky?

Only the tiles directly next to the empty space can move, so getting one number into place often pushes others out of place. It rewards planning a few moves ahead rather than fast reflexes.

How does scoring work and when does a run end?

The timer starts on your first slide and stops the instant the board is fully ordered, and your move count is tracked alongside it. A lower time is better, and your fastest clear is what reaches the leaderboard.

Is every 15 Puzzle board solvable?

Yes. Each board is shuffled by sliding the empty space around from a solved state, so this 15 Puzzle Online always starts from a position you can actually finish — no impossible scrambles.

Is 15 Puzzle free to play?

Yes, it's completely free and runs right in your browser with no install and no signup. Your best time is saved on your device.

Slide the tiles into 1 → 15 order. First move starts the timer.

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🏆 Best—

Tap a tile next to the empty space to slide · desktop: arrow keys move tiles · lower time is better

15 Puzzle — 15 Puzzle Online

HOW TO PLAY

Tap any tile next to the empty space to slide it.
Arrange the numbers in order from 1 to 15, with the empty space in the last slot.
Only tiles adjacent to the empty space can move.
Aim for the shortest clear time. Fewer moves usually helps.

TIPS & STRATEGY

Solve top-down: lock in the top row (1-2-3-4) first, then the left column, until only a 2x2 corner remains — that final square is the only part that needs fiddling.
On desktop the arrow keys slide the tile next to the empty gap, so you can rattle off moves far faster than tapping — Right pulls a tile in from the left of the blank, and so on.
When placing a corner tile like 4 or 13, set up the tile and its neighbor together and rotate them into place, instead of forcing one number and breaking the row you already solved.
Both time and move count are shown, and fewer moves almost always means a faster clear — plan a short path to each number rather than nudging tiles back and forth.

ABOUT

15 Puzzle is a classic sliding-number logic puzzle. Every board starts from a solvable shuffle, and you can solve it with planning instead of reflexes. Your best clear time is saved on your device, and the fastest times make the global TOP 20 leaderboard.

FAQ

How do you play 15 Puzzle?: Tap any tile next to the empty space to slide it into that gap, and keep sliding until the numbers read 1 to 15 in order with the empty space in the last slot. On desktop you can also use the arrow keys to move tiles.
What makes the 15 Puzzle tricky?: Only the tiles directly next to the empty space can move, so getting one number into place often pushes others out of place. It rewards planning a few moves ahead rather than fast reflexes.
How does scoring work and when does a run end?: The timer starts on your first slide and stops the instant the board is fully ordered, and your move count is tracked alongside it. A lower time is better, and your fastest clear is what reaches the leaderboard.
Is every 15 Puzzle board solvable?: Yes. Each board is shuffled by sliding the empty space around from a solved state, so this 15 Puzzle Online always starts from a position you can actually finish — no impossible scrambles.
Is 15 Puzzle free to play?: Yes, it's completely free and runs right in your browser with no install and no signup. Your best time is saved on your device.