Sudoku Master: Killer Daily

Sudoku Master packs classic sudoku, killer sudoku, diagonal sudoku, irregular sudoku, and more into one app — with a fresh daily challenge and full offline play. Switch between puzzle styles without installing a separate app for each: classic 9×9 grids, killer cages, X-sudoku diagonals, windoku windows, comparison clues, odd-even rules, jigsaw irregular regions, anti-knight, and anti-king constraints. Sudoku variants • Classic Sudoku • Killer Sudoku • X-Sudoku (Diagonal) • Windoku • Comparison Sudoku • Odd-Even Sudoku • Irregular Sudoku (Jigsaw) • Anti-Knight Sudoku • Anti-King Sudoku Play on 4×4, 6×6, or 9×9 grids with four difficulty levels from easy to expert. Smart hints, notes, error checking, auto-save, undo, stats, and achievements help you improve at every variant. Light, soft, and dark themes. Clean interface with optional sound and haptic feedback. For daily players, killer sudoku fans, and anyone who wants more than one sudoku type in a single app.