daily challenges

- AI Factory Sudoku offers 1,500 Sudoku puzzles across five difficulties, stat tracking, fastest times counter, and completion percentage. - Andoku 3 features unlimited undo and redo functions, assist function, cloud syncing, nine difficulties, tutorials, and game stats. - Brainium Studios Sudoku promotes itself as a learning tool, has dark mode, unlimited undo and redo, landscape and portrait view modes, and five difficulties. - Conceptis MultiSudoku specializes in multi-Sudoku puzzles with up to five grids per puzzle and multiple difficulty levels. - Sudoku by Volcano Entertainment offers over 15,000 puzzles, various sudoku types, online competitions, custom puzzles, and detailed career statistics. - Genina.com Sudoku includes four basic difficulty levels, a massive selection of puzzles, unlimited undo and redo, a hint system, and a progress tracker. - Sudoku & Variants by Logic Wiz offers various Sudoku variations such as Arrow Sudoku, Chess Sudoku, Kropki Sudoku, Sandwich Sudoku, and Thermo Sudoku. - Sudoku – The Clean One features a slick, simple UI with light and dark modes, five difficulty levels, digit highlighting, auto-saving, and an optional hint system. - Sudoku.com is the most popular Sudoku game with many puzzles, daily challenges, seasonal events, number highlight function, hint system, unlimited undo, and six difficulty levels. - Sudoku: Brain Puzzles offers a wide range of puzzles with various difficulty levels for both beginners and experienced players.