Slide 15
Puzzle
Slide 15 is the classic sliding-tile puzzle, free to play in your browser with 3×3, 4×4, and 5×5 boards. Every shuffle is guaranteed solvable, your moves and time are tracked, and a three-star rating rewards efficient solutions. Simple rules, endless replay value, and a satisfying click with every slide.
▶ Play now — freeHow to play
Click or tap any tile next to the empty space to slide it, or use the arrow keys. Restore the numbers to order, ending with the empty space in the bottom-right corner. Fewer moves earn a better score, and the hint button flashes a good next tile when you are stuck.
Tips & tricks
Solve the top row first, then the left column, and repeat on the smaller board that remains. The last two pieces of each row must be rotated in together as a pair. Do not count moves early — build the habit of solving rows, and speed follows on its own.