15 Puzzle: Number Grid Game

Experience the timeless elegance and mind-bending challenge of the legendary 15 Puzzle (also known as Gem Puzzle, Boss Puzzle, Game of Fifteen, and Mystic Square)!

15 Puzzle: Number Grid Game is the definitive sliding tile puzzle handcrafted for your smartphone and tablet. Slide numbered tiles into numerical order using the single empty space. Whether you are looking for a relaxing mental warm-up or an intense logic marathon, this brain workout tests your spatial awareness, problem-solving, and dexterity.

🌟 KEY GAME FEATURES:

🧩 4 EXCITING GRID SIZES:
• 3×3 Casual (8-Puzzle): Perfect for quick 1-minute brain warm-ups.
• 4×4 Classic (15-Puzzle): The iconic tournament standard loved for over a century.
• 5×5 Master (24-Puzzle): Deep tactical gameplay for puzzle enthusiasts.
• 6×6 Grandmaster (35-Puzzle): The ultimate test of logic and endurance.

⚡ 100% SOLVABLE PUZZLES GUARANTEED:
Every single new puzzle is generated using valid legal permutations from a solved state. Say goodbye to mathematically impossible boards!

💡 INTELLIGENT SOLVER HINTS:
Stuck on a tricky row? Our built-in solver analyzes the board in real time and highlights the optimal tile move using Manhattan distance heuristics.

🔄 UNLIMITED UNDO MOVES:
Experiment fearlessly! Undo any move at any time to explore alternative solution sequences and minimize your overall move count.

🎨 LUXURY HANDCRAFTED THEMES:
Personalize your sliding board with 4 stunning visual aesthetics:
• Classic Mahogany: Handcrafted dark wood with warm gold numerals.
• Cyber Matrix: High-contrast neon cyan and laser magenta cyberpunk glow.
• Royal Obsidian & Gold: Sleek matte black with burnished 24K gold accents.
• Emerald Slate: Deep jade gemstone finish with luminous white numerals.

📊 CAREER STATISTICS & RECORDS:
Track your personal progression across each board size with detailed stats:
• Fewest moves record
• Fastest completion time
• Total puzzles solved & streak tracking
• Star rating based on speed and efficiency

🎁 DAILY BOUNTIES & OFFLINE PLAY:
• Collect 100 free Puzzle Coins every day!
• Full offline play support: enjoy complete sliding puzzle gameplay without Wi-Fi or mobile data anywhere, anytime.

Download 15 Puzzle: Number Grid Game today and sharpen your mind with the ultimate classic number sliding adventure!

Recent changes:
- app updated