Take your Sudoku skills further with new advanced techniques and smarter hints! This update brings deeper logical challenges and a more intuitive learning experience. • 3 New Advanced Techniques Added Simple Coloring, XYZ-Wing, and Unique Rectangle (Type 1), bringing the total to 15 supported solving techniques. • Refined Extreme Difficulty Rebalanced Extreme puzzles to emphasize advanced logical reasoning and more challenging solving paths. • Smarter Step-by-Step Hints When your selected cell can't be solved immediately, hints now explain how other clues relate to it and how many steps remain along the suggested solving path. • Clearer Explanations and Localization Improved advanced technique explanations, cell references, and hint text across all 7 supported languages. Go beyond finding the answer. Discover the logic behind every move!

Smart Hints are now clearer, more accurate, and easier to follow. • Improved guidance when your selected cell can’t be solved right away. • Added previous and next navigation between hint steps. • Refined explanations for candidate eliminations and solving logic. • Added four in-app text size options: Small, Standard, Large, and Extra Large. • Improved readability and layouts across hint screens and key areas of the app. • Refined puzzle generation and difficulty evaluation. • Improved Daily Challenge progress and completion handling. • Improved purchase and restore flows, ads, and overall app stability.

Sudoku Astra 1.4.1 • Improved overall app stability and performance. • Improved the Astra Pro purchase and restore experience. • Improved ad loading and display stability. • Refined several UI and usability details. • Fixed minor bugs. Enjoy a smoother Sudoku experience as you explore constellations and galaxies across the universe.

SudokuAstra 1.4.0 brings a smoother and more convenient puzzle experience. • In Select mode, the next available number can now be selected automatically once the current number is complete. • Auto-Advance Number can be turned on or off in Settings. • Completed Daily Challenges can no longer be replayed, helping keep daily ranking records fair. • Pro users can continue playing after a failed game without watching an ad. • Improved hints, score calculation, undo behavior, and game progress saving. • Additional stability and usability improvements. Explore the stars and enjoy Sudoku at your own pace.

A new Galaxy Gallery has arrived. Beginning at Normal difficulty, complete Sudoku stages one by one and discover 40 galaxies as your journey takes you deeper into space. • Added 40 Galaxy stages • Discover a new galaxy and its story after completing each stage • Explore Constellation and Galaxy Galleries separately from the Home screen • Undiscovered galaxies now remain hidden until you complete their puzzles • Added the ability to pause a game • Added a one-time continue option after reaching the mistake limit • Added Daily Challenge reminders with a customizable notification time • Improved localization and text layout across supported languages • Additional stability and usability improvements Your journey now goes beyond the constellations and deeper into the universe.

Version 1.3.8 • Added a special celebration for completing all 88 constellations in the collection. • Improved puzzle generation and screen transitions for smoother, more reliable gameplay. • Improved the reliability of Daily Challenge and leaderboard score submissions. • Refined when update notifications appear for a more natural experience. • Optimized interstitial ad frequency and preloading during gameplay. • Improved saved data handling, localization, and overall app stability.

• Improved data compatibility to preserve your gameplay statistics and records from previous versions. • Improved overall app stability and usability.

Smart Hints are now more accurate and easier to follow. • Fixed an issue where candidate-elimination hints could repeat in Expert and Extreme puzzles. • Improved candidate analysis to prevent incorrect eliminations when using notes. • Redesigned the hint panel so you can keep the board visible while following each step. • Improved purchase, restore, and ad-loading reliability. • Added other bug fixes and usability improvements.

Compete with players around the world in the new Daily Rankings. Added Game Center rankings for Today and the current 30-day season The Daily Challenge card now opens the challenge calendar View today’s puzzle and previous challenge records from the calendar Daily puzzles and reset times now use the same UTC schedule worldwide Replay previous puzzles in Practice Mode Runs using hints, Auto Notes, skills, or other assistance are excluded from rankings Improved duplicate-number feedback and Daily Challenge controls Added ad privacy controls and improved localization and stability

SudokuAstra 1.3.4 Update • Fixed an issue where smart hint redirect messages could show the wrong selected cell coordinates. • Fixed a Last-In hint issue that could treat incorrect cells as confirmed values and suggest an invalid hint. • Added Game Center leaderboard score submission for Beginner difficulty. • Improved the stability of hint guidance and score submission flows.

This update improves the overall difficulty balance of Sudoku puzzles. • Adjusted Expert and Extreme difficulties so they feel more clearly distinct. • Improved Extreme puzzle generation to provide more consistently challenging boards. • Refined Easy difficulty to avoid puzzles that feel too soft. • Updated difficulty descriptions to better match the actual puzzle generation rules. • Improved overall puzzle generation stability.

This update improves game save stability and expands language support. Improved how hint usage is saved and restored during ongoing games. Improved game state saving when leaving the screen or moving the app to the background. Enhanced consistency when continuing previously saved games. Improved the stability of the update check process. Added German, French, Spanish, and Simplified Chinese localizations. Refined localized text for ads, purchases, hints, and settings.

This update refreshes the Home layout, improves season event behavior, and strengthens scoring, hint, and note consistency during play. Reorganized the Home screen around Art Gallery, Daily Challenge, Classic Mode, and Season Event cards. Improved season event handling so ongoing puzzles and medals can continue to be earned after the event period ends. Adjusted the constellation journey so later stages become progressively more challenging. Fixed a scoring issue that could occur after Undo and Redo. Improved hint, auto-note, number pad, and completion checks so incorrect cells no longer affect candidate logic. Stabilized Daily Challenge card buttons and season progress display.

This update makes Sudoku easier to start, more rewarding to return to, and smoother to play every day. Refined the Home screen so Daily Sudoku and Constellation Journey are easier to access. Added an Unlimited Classic Mode card with difficulty selection and random start. Improved the Daily Challenge calendar with monthly medal progress and streak records. Added support for replaying past Daily Challenges. Added the new Season Observation Event. Complete 10 event puzzles and unlock limited medals. Added event progress, remaining days, and next-medal guidance. Added a Reduce Visual Effects option for a calmer play experience. Improved hints, auto notes, ad-removal handling, localization, PrivacyInfo, and overall release stability.

- Updated Auto Notes as a Pro-only feature. - Improved the default AI Hint count and guidance flow. - Adjusted reward-based feature flows to match the current app experience. - Improved puzzle generation, clear handling, and undo behavior stability. - Refined some localized text and screen labels.

- Temporarily disabled ad display flows. - Adjusted hint and auto-note rewards so they can be used without ads. - Improved overall stability.

A smarter AI hint system arrives in Sudoku Astra [4 new solving techniques] - Hidden Pairs / Hidden Triples — uncover hidden patterns - Box-Line Reduction — handle common patterns precisely - XY-Wing — solve even the toughest puzzles With 13 total techniques, every difficulty can now be solved through pure logic. [Hint usage statistics] See which techniques you use most and how often you reveal answers. Track your solving patterns visually in the Statistics screen. [Result sharing card] Share a beautiful cosmic-themed card featuring your constellation and score. You can also share constellations again from the Gallery. [Unlimited mode highlighted] Even after collecting all constellations, new puzzles are generated endlessly. [Other improvements] - Hint coach now gently guides you when the selected cell needs other cells solved first - Technique-aware penalty: advanced techniques cost less, rewarding deeper learning - Improved localized content reliability - Performance optimizations and bug fixes May your night sky always be full of stars.

We’ve improved usability and stability so you can enjoy Sudoku Astra more comfortably. - Auto Notes can now be used after watching a rewarded ad. - Improved navigation back to the Art Gallery after completing an Art Gallery puzzle. - Improved support for iOS 16. - Improved screen transitions and gameplay stability.

- Improved puzzle difficulty balance, especially Expert and Extreme modes. - Fixed score issues where repeated correct entries could increase points incorrectly. - Updated undo and erase behavior for answered cells. - Added gameplay settings for haptics and timer display. - General stability and usability improvements.

v1.1.0 — Major Update * Interactive Tutorial Learn by tapping! Try the new hands-on tutorial where you solve a mini puzzle to learn Sudoku rules naturally. * Daily Challenge Calendar Track your daily challenge records on a monthly calendar. Collect trophies and build your streak! * Detailed Statistics View games played, win rate, best time, average time, and top score for each difficulty level. * Auto Notes (Pro) Automatically fill in candidate numbers for all empty cells with one tap. * Redo Redo now works alongside Undo for precise move control. * Completion Animation Completing a row, column, or box triggers a glowing highlight effect. * Number Lock (Long Press) Long-press a number to lock it for quick consecutive placement. * Duplicate Highlight Duplicate numbers in the same row, column, or box are shown in red. (Toggleable in Settings) * Error Display Toggle Choose whether wrong numbers are shown instantly in Settings. * iPad Landscape Mode iPad now supports landscape layout with the board on the left and controls on the right. * 5 New Languages Added Spanish, Portuguese (Brazil), German, French, and Simplified Chinese. Now supports 8 languages. * Share Results Share your clear results with friends after completing a puzzle. * Other Improvements - Improved smart auto-complete suggestion - Accurate undo/redo state restoration - Enhanced iPad orientation detection - Various stability improvements and bug fixes

New Feature: Added an auto-fill function for the last remaining cell in a 3x3 grid. Sudoku Astra is constantly evolving and striving to provide you with an even better puzzle experience. We hope you enjoy a smoother and more convenient journey under the starlight!

Sudoku Astra is always striving to improve and provide you with the best puzzle experience. In this update, we’ve improved overall stability and fixed minor bugs for a smoother journey. Enjoy the starry puzzles!

Sudoku Astra is constantly evolving to provide you with a better puzzle experience. In this update, we've improved overall stability and upgraded our AI hints to ensure smoother gameplay. We hope you continue to enjoy your relaxing Sudoku journey under the starlight!

Sudoku Astra is always striving to improve and provide you with the best puzzle experience. In this update, we’ve improved overall stability and fixed minor bugs for a smoother journey. Enjoy the starry puzzles!

Sudoku Astra is always striving to improve and provide you with the best puzzle experience. In this update, we’ve improved overall stability and fixed minor bugs for a smoother journey. Enjoy the starry puzzles!