Goal:
Unscramble the 15 numbers in the 4 x4 puzzle grid containing 15 numbered tiles each with the numbers 1 to 15 and a single empty position.
Restrictions:
- Only one square is empty at any given time
- Only one tile can be moved at a time
- A tile can only move if there is an empty square
- next to it
- above it
- or below it
Valid Moves:
Click on the numbered tile adjacent to the empty space to slide the tile into the new space
Solving the Puzzle:
You have solved the puzzle when the 15 tiles are in increasing order from left to right such that:
- Row 1: contains the numbers 1, 2, 3, 4
- Row 2: contains the numbers 5, 6, 7, 8
- Row 3: contains the numbers 9, 10, 11, 12
- Row 4: contains the numbers 13, 14, 15
- Only the square in the bottom right corner of the square grid is empty
Start Game/New Game:
Click on tile to start game
To play again/change difficulty, click New Game and chose difficulty.
Click Pause to pause in progress game. Click Play or click to end pause.