15 PUZZLE CLASSIC
The historic 15 Puzzle (Gem Puzzle / Boss Puzzle) on a 4x4 grid. Slide the tiles adjacent to the empty space to sort numbers 1 to 15 in ascending order with smooth tactile slides, move tracking, and solvable randomization.
🎮 Desktop Controls
Click with mouse or use Arrow / WASD keys depending on the puzzle engine.
📱 Mobile & Tablet
Intuitive responsive touch controls with large tap targets and virtual buttons.
❓ Frequently Asked Questions
Q1: What is the goal of the 15 Puzzle?
Place the 15 numbered tiles in order from 1 to 15, reading from left-to-right, top-to-bottom, leaving the bottom-right space empty.
Q2: How do tiles move?
Tap or click any tile adjacent (up, down, left, or right) to the empty space to slide it into the gap. You can also use arrow keys.
Q3: Are all generated puzzles solvable?
Yes! The shuffle algorithm performs hundreds of authentic valid moves from the solved state, ensuring 100% solvable configurations.