Solo is free, and now it's always one tap away. New • No Premium yet? When multiplayer is locked, you can start a free Solo puzzle right away and train for your next duel. Improved • Finishing a Solo game no longer opens the subscription screen.

Your first duel is now easier to get into. Improved • A short guide shows how to fill a cell and recommends an Easy puzzle to start. • Easy, Medium and Hard now always give you the difficulty you choose. • Your progress on the grid is easier to follow. Fixed • The subscription screen no longer reappears repeatedly after a game. • General stability improvements.

Duodoku now feels more at home on iPhone. Settings, onboarding, country and language selection open in smooth native sheets that match your chosen light or dark theme. Improved • A clearer native switcher makes it easier to move between your league and the global leaderboard. • Ranking controls and ads stay separated while the leaderboard remains fully scrollable. • Bottom content stays visible above the Home indicator throughout the app. Fixed • Resolved clipped content at the bottom of sheets and screens. • Prevented the keyboard from opening before you tap a field.

Duodoku now feels more at home on iPhone. Settings, onboarding, country and language selection open in smooth native sheets that match your chosen light or dark theme. Improved • A clearer native switcher makes it easier to move between your league and the global leaderboard. • Ranking controls and ads stay separated while the leaderboard remains fully scrollable. • Bottom content stays visible above the Home indicator throughout the app. Fixed • Resolved clipped content at the bottom of sheets and screens. • Prevented the keyboard from opening before you tap a field.

Better & Faster

We've squashed a few bugs and optimized performance to make your puzzle-solving experience smoother than ever. Update now and enjoy!

Minor bug fixes and stability improvements.

Welcome to the latest update of Duodoku! We are thrilled to introduce a brand-new counting system designed to help you easily track your progress and stats during intense multiplayer Sudoku matches. We have also refreshed the static visual elements and user interface to provide a cleaner, more modern brain-training experience. Alongside these design improvements, we worked hard under the hood to squash various bugs and massively boost overall performance. Your logic puzzle solving will now be smoother and faster than ever before. Update now to enjoy the ultimate Sudoku challenge and invite your friends to play!

This version includes minor corrections to polish the recent Rankings update. Improved stability for Global Leaderboards. Fixed minor display glitches. General optimizations to keep the app fast and fluid. Thanks for playing Duodoku!

New Ranking: Track your global rank with the new time-based ranking system! Smoother Interface: New animations and fixed the nickname window display bug. Ad Optimization: Pre-loading of ads and removal of the "Cancel" window after viewing. Technical Fixes: Resolved account vulnerabilities and improved overall stability.

Ready to challenge your friends in the ultimate real-time Sudoku duel? In this update, we’ve made under-the-hood optimizations to ensure your multiplayer matches are smoother and faster than ever. • Enhanced Stability: A more reliable experience for your daily brain training. • Optimized PvP: Seamless connectivity when battling opponents live. Keep your logic sharp, solve puzzles, and climb the global leaderboards in Duodoku!

We fixed some display bugs and allowed offline-usage of the game !

Thanks for using Duodoku ! We fixed some bugs and made some improvements to the app experience.