:) Sudoku +

Sudoku is a puzzle game that offers unlimited puzzles with 17 difficulty levels, catering to both novices and experienced players. Its multi-stage hint system, tutorial, and advanced techniques, like X-Wings and XY-Chains, help players improve their skills while making the game more enjoyable. Extra features include customizable color schemes, manual or automatic pencil marks, save options, pattern highlighting, and game clock, making it a comprehensive Sudoku experience.