- Improved retry and back navigation in Solo Time Attack. - Fixed stability issues for smoother gameplay. - Made small UI and gameplay flow improvements.

- Added the new Crazy difficulty to Solo Time Attack. - In Crazy mode, the Master-level Sudoku board rotates every 10 seconds. - A red border warns you right before rotation, while numbers always stay upright.

Added new Blue and Black Sudoku skins. You can now choose Classic, Blue, or Black from Settings. Improved dark-skin readability with clearer selected cells, matching number highlights, and darker disabled number buttons.

Ranked Season 2 has begun. Ranked points now start fresh for Season 2. Season 1 TOP 10 players now display a special badge. Improved ranked lobby and in-game display.

Added daily missions to the ranked lobby. Complete play and win missions to earn up to 300 ranked points per day. Refined the daily mission panel for a cleaner look and easier progress tracking.

Added Master difficulty. Refined the difficulty selection UI and panel design for better clarity.

Added French, German, Italian, and Spanish language support. Added a new Ranked Lobby where you can check your current tier, score, and season record before matchmaking. Refined ranking and solo screen layouts for clearer navigation and readability.

Improved haptic feedback for cell selection and number input to make controls feel clearer and more responsive.

- Diamond ranked matches now pair only with other Diamond players. - Diamond ranked boards now start with 35 revealed cells. - Diamond AI difficulty has been adjusted to better match the updated Diamond tier. - An Invite Friends button has been added to the home screen. - Invite links are now easier to share, and the invite page supports 4 languages.

Improved matchmaking stability for Ranked and Friendly matches. Refined multiplayer flows such as Play Again, Rematch, and Back navigation. Improved Solo Time Attack leaderboard display. Polished number pad input and in-game feedback for smoother play.

Added a dedicated Board Dark Mode option for the Sudoku board. Expanded the Solo Time Attack and Home leaderboards to show up to the Top 50. Players outside the visible ranking now see Outside Top 50 instead of an estimated rank. Optimized leaderboard loading to reduce unnecessary server requests. Polished the UI and readability in Solo Time Attack, Friendly Match, and Settings.

Fixed an issue where ranked matches could occasionally retain friendly match state after a friendly game, causing ranked points not to update correctly. Improved match state cleanup so ranked games now start more reliably and are recognized properly.

Added a Season 1 notice popup and Season transition preparation. Ranked matchmaking is temporarily paused during the Season transition window. Improved ranked point balance and Season handling.

Refreshed the Home and Solo Time Attack screens with a new illustrated background. Improved panel contrast and button styling for better readability. Added overall visual polish and usability improvements.

Ranked matchmaking has been adjusted into three groups. Ranked puzzle clue counts and AI difficulty have been redesigned by group. AI clear timing and overall ranked balance have been improved.

Optimized leaderboard loading for better performance and stability. Improved the Home ranking and Solo Time Attack ranking UI. Updated the post-game flow with Retry / Play Again / Exit actions. Added an Undo feature to Solo Time Attack. Improved input responsiveness and overall usability on iOS.

Reworked the game’s sound experience. Improved audio for tile selection, number input, UI clicks, match start, victory/defeat, completion waves, and hit reactions. Added priority handling and short cooldowns so overlapping completion effects sound cleaner and more natural. Fixed an issue where leaving a ranked match with the back button could leave the game state unfinished. Improved overall match-ending stability and gameplay responsiveness.

Removed banner ads from the Solo Time Attack gameplay screen. Updated Solo Time Attack interstitial ads to follow the same rules as Ranked matches. Added more AI opponent nicknames by rank, and each name now stays fixed for the whole match. Expanded Solo Time Attack rankings to show up to Top 50 with scrolling. The Solo Time Attack ranking screen now resets to the top when reopened or when the difficulty changes. Expanded the main screen My Rank leaderboard to show up to Top 50 with scrolling.

This update includes the following improvements: - Improved ranked matchmaking balance. - Reduced AI fallback wait time in ranked matches. - Improved opponent name display in ranked and friendly matches. - Enhanced overall game stability and UI polish.

Solo Time Attack has been updated with a new difficulty structure. Added the new Adept difficulty and refined the overall solo balance. Made the Top 5 rankings, your rank, and your best record easier to check for each difficulty. Improved clear messages and result screens for a cleaner gameplay flow.

Version 1.0.7 Added a new Solo Time Attack mode. You can now choose between Beginner and Expert difficulty. The Expert Top 5 Ranking now shows the fastest clear times. Improved best record display and refined the overall screen layout.

What’s new in 1.0.6 - Improved high-rank AI match pacing - Adjusted Diamond, Master, and Challenger AI move timing - Added a better-timed in-app review prompt after wins - General gameplay refinements and stability improvements

What’s new in 1.0.5 - Improved AI match pacing for high-rank games - Faster Diamond, Master, and Challenger AI move timing - General gameplay refinements and stability improvements

What’s New(1.0.4) Renamed Random Match to Ranked Game for clearer competitive matchmaking. Improved ranked queue UX with cleaner SEARCHING status and animated hourglass feedback. Added rank-based AI fallback after 10 seconds in queue: Diamond AI: 4–7s move interval Master AI: 4–6s move interval Challenger AI: 3–6s move interval Rebalanced Challenger scoring: Win: +1 point Win streak: +2 points Loss: -1 point Updated result messages to show real point gains/losses dynamically. Added a leave-match confirmation dialog in Ranked/Friendly games (Leave now = defeat) to prevent sync/matchmaking lock issues. Improved waiting lobby tutorial flow with clearer center 3x3 attack guidance and visual attack feedback. Updated ad integration: Applied new production interstitial ad unit Added banner ad placement to waiting/solo header areas Improved localization: waiting tutorial speech bubble now supports English, Korean, Japanese, and Chinese. Increased tutorial speech bubble text size and added adaptive wrapping/width for better readability across languages. Minor UI polish to prevent title text from clipping under the notch.

What’s New(1.0.3) Added a new My Rank button on the home screen for quick access to ranking details. Expanded ranking view to show the Top 10 players. Your personal ranking is now always visible: On the home screen, your rank appears below Top 5 if you are outside Top 5. In the ranking screen, your rank appears below Top 10 if you are outside Top 10. Added a Rank Guide: tap your tier badge to see the score range for each rank. Improved ranking header layout for a cleaner, clearer UI.