Daily Doku: One Sudoku a Day

One sudoku a day, and everyone gets the same puzzle. Solve today's puzzle and your time, mistakes and streak are saved as your result. Share it with friends and compare times. Got more time? Keep going in the unlimited Classic mode. ■ Today's Puzzle • A new puzzle every day, the same one for every player • Difficulty changes with the day of the week (Easy or Medium) • Earn up to 3 stars: finish, make no mistakes, and beat the target time • Share your result in a chat and compare times with friends ■ Streaks and Archive • Solve every day to build your streak • Open past puzzles from the calendar archive by watching an ad. Solve yesterday's puzzle today and your streak keeps going • Solve every day of a month to earn a monthly trophy • Collect 9 badges, including First Puzzle, 7-Day Streak and 30-Day Streak ■ Classic Mode • Unlocks after your first daily puzzle • Play as many puzzles as you like in 4 levels: Easy, Medium, Hard and Expert • Keep your fastest time for each level ■ Stuck? No Problem • Hints don't just give the answer. They point to the row, column or box and explain why the number fits • Notes, auto-notes, undo and erase • Notes always sit in the same spot inside a cell, so they're easy to read • Select the last empty cell of a row, column or box and the number pad quietly shows the answer • New to sudoku? Learn the rules step by step on a small 4×4 board first ■ Daily Nonogram • A bonus daily picture puzzle: use the number clues to fill in cells and reveal a hidden picture ■ Easy on the Eyes • Large text option • Auto, light and dark themes • Sound and vibration on/off • Turn the 3-mistake limit in Classic mode on or off No sign-up needed, and you can play without an internet connection. Available in English and Korean.

• Now available in English. Change the language anytime in Settings. • Small layout fixes for smaller phones.