Ultimate Sudoku

Geos Media RG

About this game

Ultimate Sudoku brings the classic 9×9 logic puzzle to your phone in a clean, focused format.

PLAY YOUR WAY
• Choose Easy, Medium or Hard puzzles.
• Fill cells, add pencil notes and correct mistakes at your own pace.
• Use helpful controls such as undo, hints, reset and time display.
• Resume your game after reopening the app.

TAKE ON THE DAILY CHALLENGE
Solve the same Daily Challenge as players around the world. Return each day to build your streak and chase a new personal best.

COMPETE ON THE GLOBAL LEADERBOARD
Complete a puzzle to submit your score and completion time to the global leaderboard. Compare the best results for each difficulty level and the current Daily Challenge.

BUILT FOR PUZZLE FANS
• Classic Sudoku gameplay
• Three difficulty levels
• Daily Challenge and streak counter
• Notes, hints and number controls
• Timed puzzles and saved local progress
• Global leaderboards
• No advertising

Core puzzle play works offline. An internet connection is used only for leaderboards and anonymous analytics. The leaderboard uses an anonymous player ID and a generic “Player” label; no name or account is required.

Privacy policy: https://ultimate-sudoku-one.web.app/

What’s new

New Daily Challenge with a streak counter, a dedicated daily leaderboard and improved global scores.

This update also adds anonymous gameplay analytics and a respectful in-app review prompt after meaningful play.