Sudoku: New Stone Age

Unlock the logic of ancient tribes! "Sudoku: New Stone Age" takes you back to the dawn of time. Sharpen your mind alongside your clever hedgehog companion, Spiky! Whether you're a Sudoku casual or a grandmaster, your primitive puzzle challenge awaits!

【Brain-Training Adventures with Spiky】 Put on your tribal gear and join Spiky to crack these ancient codes! Enjoy a clean, stone-age-inspired interface designed for the most comfortable, eye-friendly puzzle-solving experience.

【Progressive Grids for All Skill Levels】 ◇ Easy (6x6 Grid): Perfect for beginners to learn the ropes and relax with Spiky! ◇ Normal (9x9 Grid): The classic Sudoku experience to keep your brain sharp. ◇ Hard (9x9 Grid): The ultimate challenge tailored exclusively for Sudoku fanatics!

【Smart Tribal Tools for Seamless Play】 ◇ Quick Fill: Select a digit and stamp it across the grid instantly. No more tedious tapping! ◇ Smart Notes: Keep a digit selected to place pencil marks seamlessly. Keep your deductions flowing! ◇ Hints: Stuck on a tough cell? Summon a hint to instantly reveal the correct number!

【Global Leaderboards: How Fast is Your Brain?】 Curious about how your solving speed stacks up against the world? Check the built-in Global Leaderboard after any match! No stressful PVP, just pure self-improvement. Compare your clear times, find your global rank, and smash your personal best!

Join Spiky now and conquer "Sudoku: New Stone Age" with pure logic—crafted for world-class puzzle lovers by IUPlay!

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