Pure Sudoku Ad-free

Pure Sudoku Ad-free is a clean, distraction-free Sudoku puzzle game focused on pure logic and smooth play. Solve classic 9x9 grids across multiple difficulty levels with zero ads and no paywalls. Use pencil marks, candidate highlighting, and optional error checking to learn and improve, or test yourself with a minimal, no-assist setup. Play offline with auto-save, track your solve times and completion history, and customize themes including a comfortable dark mode. Fast, precise controls make it perfect for both quick breaks and longer sessions on phone or tablet.