Sudoku World

Sudoku World is the cleanest, most-loaded Sudoku on the Play Store. Solo or with friends, classic 9×9, calm Zen mode or head-to-head Battle Royale. One app, every way to play.

WAYS TO PLAY

• Classic Sudoku — the rules you know, refined with a clean modern interface

PLAY WITH FRIENDS

• Race — same puzzle, fastest finish wins

• Co-op — two players solve one board together

• Battle Royale — last solver standing

• Team Battle and Sabotage modes for something different

• Drop-in lobbies via 6-digit room codes. No accounts needed.

DAILY CHALLENGE

• A fresh puzzle every day, the same one worldwide

• Build a streak. Every 7 days earns you a bonus stack of hints

ZEN MODE

• Unlimited hints. No timer. No mistakes counted. Just the puzzle and you.

LEARN AND PRACTISE

• Step-by-step tutorial covering every technique from naked singles to X-wing

• Practice mode for drilling specific techniques without ending a real game

ACCOUNT-LEVEL HINT WALLET

• Start with 10 free hints

• Earn more by completing puzzles — harder puzzles pay more

• Watch up to five short ads a day to top up your balance

• Daily Challenge wins pay bonus hints

STATISTICS AND ACHIEVEMENTS

• Best times by board size and difficulty

• Win rate, current streak, total games

• Achievements for milestones — a streak of 30 daily challenges, a perfect Expert game, a flawless co-op victory

POLISH

• Light and dark themes that follow your system setting

• Every generated puzzle has exactly one solution. No more "wait, this has two answers" frustration.

• Smooth animations. Press feedback. Counters that tick up. Small details, deliberately done.

Free to play. Ad-supported. No subscriptions. No paywalls. Sudoku as it should be.