📖 About

The 15 Puzzle is the iconic sliding tile puzzle that has challenged minds since the 1880s! Fifteen numbered tiles sit in a 4×4 grid with one empty space. Slide tiles into the gap one at a time, working to arrange them in numerical order from 1 to 15. Simple rules but deep strategy—this timeless brain teaser exercises spatial reasoning, planning, and problem-solving skills!

🎯 Objectives

Arrange all 15 numbered tiles in sequential order from 1 to 15, with the empty space in the bottom-right corner. Slide tiles strategically into the gap, planning several moves ahead to achieve the correct arrangement.

🎮 How to Play

Click a tile adjacent to the empty space to slide it. Arrange all tiles in numerical order from 1-15, with the empty space in the bottom right.

💡 Tips

• ✓ Solve the top row first, then work down
• ✓ Don't worry about the last two numbers in a row until the end
• ✓ Learn the "rotation" technique for moving tiles
• ✓ Practice the final 2x3 section repeatedly

❓ Frequently Asked Questions