Sudoku ・Classic Brain Puzzle

Sudoku Offline is a classic logic puzzle app for focused, productive screen time—no Wi-Fi or mobile data required. Solve more than 1,000 puzzles across beginner, intermediate, advanced, and expert difficulty levels, whether you’re commuting, traveling, taking a break, or relaxing at home.

Build a daily brain-training habit with helpful features including notes, candidate tracking, smart hints, undo, duplicate highlighting, automatic progress saving, and detailed statistics. Designed for phones and tablets, Sudoku Offline supports concentration, logical reasoning, pattern recognition, and problem-solving through calm, distraction-free gameplay.