k-sudoku - wigle

Ink and paper, nine cells of quiet focus.

Sudoku strips away the noise and gets back to the essentials — a calm, paper-toned number puzzle. Fill each row, column, and box with the right numbers, and enjoy the simple pleasure of clear, logical thinking.

Features · Multiple grid sizes — 4×4 for absolute beginners, 6×6 for novices, and the classic 9×9 with four difficulty levels (Easy, Medium, Hard, Expert) · Personal records and a rank system — build your best times and climb the ranks · Pencil marks — jot down candidate numbers and erase as you narrow things down · Hints — up to 3 per game when you're stuck · Undo & Home button — step back from mistakes, or step away anytime · 6 languages supported — automatically matches your device (Korean, English, Japanese, Spanish, Russian, Chinese) · Tablet landscape support — a bigger, roomier layout on larger screens

Play anywhere, anytime. During a commute, before bed, or whenever you need a few quiet minutes to think.