i.Sudoku

Play relaxing Sudoku with daily challenges, notes, hints, stats, and rankings. Easy 4x4 to expert 9x9 boards in Thai or English.

Sudoku is a clean, relaxing number puzzle game for daily brain training.

Play classic Sudoku at your own pace with smooth controls, clear boards, and helpful tools designed for iPhone and iPad.

Features:

• Daily Challenge with a fresh 9x9 puzzle every day
• Easy 4x4, Medium 6x6, Hard 9x9, and Expert 9x9 modes
• Notes, hints, undo, erase, pause, and continue saved game
• Mistake tracking, timer, score, stats, streaks, and leaderboard
• Thai and English interface based on your device language
• Calm visuals, gentle sound effects, and relaxing background music

Whether you want a quick puzzle or a harder logic challenge, Sudoku gives you a polished board, readable numbers, and satisfying progress every day.