X-Sudoku

X-Sudoku is a Sudoku puzzle game with a black-and-white interface.

GRID SIZES • 9x9 Standard (81 cells) • 6x6 Mini (36 cells)

DIFFICULTY LEVELS • Easy • Medium • Hard • Extreme • Insane • Inhuman

GAME MODES • Chapters — Sequential puzzle sets • Free Run — Select any difficulty • Daily Challenge — One puzzle per day

FEATURES • Notes mode • Undo/redo • Mistake highlighting (optional) • Auto-save • Offline play

PROGRESS TRACKING • Daily leaderboards • Achievements • Statistics (games played, win rate, times)

No account required. No ads during daily challenges.