Sudoku Online: Race Friends

Sudoku Online lets you solve classic sudoku on your own or race your friends on the same puzzle in real time. RACE YOUR FRIENDS LIVE • Private Room: create a room and race 2-6 players on the same puzzle; see everyone's progress live • Solve Together: 2-4 players fill one board as a team and chat with quick messages • Ranked Match: face an opponent at your level and climb six leagues from Bronze to the top • "Can you beat me?": send a puzzle you solved, with your time, to a friend SIX TRULY DIFFERENT DIFFICULTIES Easy, Medium, Hard, Expert, Master and Extreme. Every puzzle is graded by a solver, so when you pick "Hard" you really get a hard puzzle. A NEW PUZZLE EVERY DAY The Daily Puzzle is the same for everyone. Keep your streak, fill your calendar and get on the Fastest leaderboard. HANDY WHILE YOU PLAY • Notes and Auto Notes • Mistake highlighting and matching-number highlights • Hints, undo and resume where you left off • Single player works offline too LEARN AND IMPROVE "How to Solve" teaches techniques step by step on real boards, and lets you try them yourself. Stats by difficulty and a solve-time chart show your progress. PROGRESS AND REWARDS • Points, leagues and season rankings; coins and a gift theme for the season's best • Daily and weekly quests, achievements • Board themes unlocked with coins • Save your progress with your Google account, even if you change phones FREE TO PLAY The whole game is free; no mode is locked behind a purchase. Full-screen ads appear only at the end of some games, never during play. Optional rewarded ads give you coins, an extra hint, or a way to keep going after a loss. A one-time purchase removes full-screen ads permanently. FOR EVERYONE • 8 languages: English, Turkish, German, Spanish, French, Italian, Portuguese, Russian • Light and dark themes, color-blind mode