What's new in v2.5.2 - Tribes invites fixed: create your own score tribe and compete against other tribes with friends and colleagues. - Scan & Solve (Beta): improved photo scanning and board detection for capturing puzzles. - Replay and Learn: watch the month's top 3 rounds play back move by move and learn from the best. - New celebrations: confetti for completed rows, star sparkles for completed boxes, and a living streak flame. - Fewer ads: banner ads have been removed for a cleaner experience. - Cleaner leaderboards: Daily Challenge results now stay in the Daily tab and no longer mix into the global list. - Bug fixes and performance improvements. - Coming July 1: a new, bigger points scale — update now so your scores keep up.

What's new in v2.4.6 Scan and Solve (Beta) Photograph a Sudoku puzzle from a newspaper or book — the app recognises the digits and solves it step by step using real techniques. Achievements New achievement system with milestones for streaks, Daily Challenge and total games played. Improved score display The score now counts up with animation during gameplay. Autoplay New button in the tool row — our AI Logic Solve Engine solves the board step by step, showing which techniques are used. Mark New tool for learning advanced techniques. Activate Mark mode and tap cells to highlight them with an orange ring — just like witness cells in autosolve. Marks clear automatically when you place a correct number. Optimistic leaderboard Your score appears immediately in all leaderboards after completing a game. The default tab now matches your last game (Daily Challenge or difficulty level). Improved tribe invitations Automatic enrolment via shared links. Bug fixes and performance improvements

Per-difficulty global leaderboards with optimistic score injection

Minor Fixes on Tribe function.

• Brain Age chart: Calibrated calculation based on game statistics. Added 3-month view • Weekly Recap appears automatically on Mondays, reflecting the previous week's performance • Tribe creation and joining • Improved score animation timing • General stability improvements and performance optimization during game validation and placement of Sudoku numbers

Added functions to send feedback from users.

Calibration of scoring and bonus based on user average data from the last 3 months. Added a separate Brain Age view to check in on your status. AND LAST BUT NOT LEAST YOU CAN NOW unlock all levels based on your daily strik on playing Daily Challenge. 14 days - unlocked expert, 28 days strike unlocked professor level.

• Fixed credits bank functionality • Updated and fixed minor bugs • Reduced ad frequency for a better experience • Added Avatar feature - personalise your profile • Added Daily Challenges - same puzzle for all players worldwide each day • Added Brain Age calculation based on scientific research. Learn more: sudokuwt.com/brain_age.html

• Introducing freemium model - play for free with ads • Earn Gaming Credits by watching ads for ad-free gameplay • Purchase premium to remove all ads and unlock Expert & Professor difficulties • Offline play with Gaming Credits • Bug fixes and performance improvements

Get demonstration of solving techniques with longpress on "redo" button. Added W-Wing, Hidden Triple, Two-string Kite as additional techniques demonstrated.

adjusted season effects, adjusted validation of legitimate moves to better reflect all implemented techniques. increased local top10 -> top20 personal score. Changed session preservation - relevant when the app is moved to the background, or the screen is going into sleep mode during game in pause. One of the EasterEggs now available with longpress in "Hint" button ( 3 more still hidden and waiting to be found).

Updated Startview with a Christmas and winter theme. EULA updates

updated scoring, and guessing "penalty", updated algorithm for generation and verification of new boards, added 20 new avatars.

updated scoring engine

Fully updated UI, updated generator engine, Dynamic scoringsystem, guessing and cheating is penalized, smart and pedagogic Hint-system. Mascot and animations, added som easter- eggs. Can you find them? Optimization for performance and maximize thread execution on moder apple A-chips, cloudnative backend engine for scoreboard and future functions in pipeline. Level up on the game experience, using apple native functions for game reminders, highly customizable to your preferences. Now also GUI to support iPad screen.

Changed layout on "time, errors and tips", Tuned difficulty on levels to make the game more challenging Changed number buttons to become entirely gray when all the numbers are used. Also added a black line around the buttons for better look.