Opt Red Hazel Elk

Sharpen your mind and enjoy hours of brain training with this classic sudoku game. Fill the nine by nine grid with numbers one through nine using pure deduction.

Engage your logical thinking with five difficulty levels that cater to both newcomers and veterans. Take notes, track your errors, and beat the timer to earn a perfect three-star rating.

Key Features:
• Five balanced difficulty tiers ranging from Easy to Expert and Master boards
• Built-in notes mode that lets you mark candidate digits inside grid cells
• Mistakes counter with a three-error cap to keep the challenge engaging
• Erase and quick correction features for seamless gameplay adjustments
• Persistent stat tracker for games won, best solve times, and earned stars

How to Play:
• Select a difficulty card to generate a unique sudoku puzzle board
• Tap a grid cell and select a digit from the pad to place your answer
• Ensure each number appears exactly once per row, column, and three by three box

Train your brain daily, improve your solve times, and master the grid with this classic logic puzzle experience.

Privacy & Experience:
• No ads
• No in-app purchases
• Works completely offline
• No account required