- Streamlined number ranges with safe leaderboard migration - Added total games played for each setup - Local leaderboards now keep the best 100 results for smooth long-term performance

- Improved post-game navigation and restart reliability - Added quick-access rule buttons and clearer Normal and Expert mode illustrations - Shortened belt and headband celebration endings - Start a fresh normal game after completing a challenge - Fixed rare frozen screens and stray line visuals

- Fixed an issue where a completed game could incorrectly remain available to resume.

- Improved progress saving and post-game reliability. - Tutorial skipping now unlocks after your first 100% completion. - Expanded the Legendary Black Headband guide with realistic difficulty milestones.

- Earn the new Legendary Black Headband by mastering every Expert board size - Track progress with completion markers, milestones, and extra achievements - Improved Headband achievement table - Restore one mistake by watching an optional rewarded ad - View your current belt and headband in the Home screen guide - Clearer in-game guidance without hiding the operation tracker - Improved Help with dedicated assistance and ranking information

- Refined Expert headband badges and unified START button sizing for a cleaner Home screen. - Improved locked Expert buttons with a clearer two-line unlock message and a larger lock indicator.

- Faster, clearer tutorial with improved controls. - Tap headbands to view their Expert leaderboards. - Share your headband achievement table.

- Refined the headband ceremony animation and compact landscape layout. - Leaderboard time filters now use shorter labels for a better fit. - Restored START, Resume, and locked-state icons in Expert mode. - Aligned START and Resume labels consistently across Normal and Expert modes.

- Smarter board generation creates richer puzzles with more valid connections, especially on large Expert boards. - Rebalanced IQ rewards for wider number ranges to better reflect their difficulty. - Improved challenge QR imports from the gallery for smoother performance and better stability.

- Fixed an interaction error that could occur when moving away from certain buttons - Smoother fading for scores, operation checks, found lines, and selections - Found lines remain visible for 1 second, while selections remain visible for 2 seconds before fading - Score and operation-check fading is now disabled by default, with clearer fading settings - Improved the No match feedback message - New operation tracker for +, -, * and / - Checkmarks show which operations - and double matches - you found - New setting to control score-feedback fading

- Challenge friends and race on the same board - even offline! - Backups now include saved challenges, progress, and challenge results. - Tied players now share the same leaderboard position. - Custom themes have a new default colour palette and pattern. - Unfinished games are now saved automatically and can be resumed. - Improved ad stability after interruptions and background use. - Game options and challenges stay locked until the current game is finished.

- Challenge friends and race on the same board - even offline! - Backups now include saved challenges, progress, and challenge results. - Tied players now share the same leaderboard position. - Custom themes have a new default colour palette and pattern. - Unfinished games are now saved automatically and can be resumed. - Improved ad stability after interruptions and background use. - Game options and challenges stay locked until the current game is finished.

- Cleaner and easier challenge sharing. - Improved challenge and results screens. - Share the full challenge leaderboard as a themed image. - Clearer details for saved challenges. - New fading options for selections and found lines. - Improved belt ceremonies, navigation, and button icons.

- Challenge friends to play the same generated board using QR codes. - Join a challenge by scanning its QR code or importing it from your photos. - Import friends’ results and compare everyone in a challenge ranking. - Resume or remove saved challenges directly from your device. - Share a localized image of your game result, including the game header. - Improved the end-of-round controls and reorganized the Help section with a detailed challenge

- Improved custom background pattern previews. - Made rewarded hints clearer with highlighted endpoints and better status messages. - Added optimized landscape layouts for gameplay, leaderboards, and belt celebrations. - Replaced the misleading close-style icon shown after three mistakes. - Improved usability and visual clarity throughout the app.

- Improved the tutorial with clearer instructions. - Added pulsing buttons and an animated hand to guide each action. - Added a reminder that the tutorial can be replayed from Settings.

- New yellow and red timer warnings as time runs low. - Tap a selected tile again to clear its highlight. - New option to keep selections visible instead of fading. - Added new 30-minute and 1-hour game modes. - You can now share your new thinking rank after earning a karate belt. - The timer now remains red when time runs out. - Fixed an issue where rewarded hint ads could cause long waits. - Additional stability and usability improvements. - Added touch feedback to Settings controls and actions.

- New monochrome and fully customizable themes with four colours and multiple background patterns. - Improved pattern visibility and theme previews. - Rebalanced Normal and Expert board generation. - Added an About section with version information, website and licences. - Minor fixes and improvements.