Classic Sudoku - Star Sudoku

Daily Brain Training

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Classic Sudoku with a constellation journey. Enjoy daily challenges, rankings, multiple difficulty levels, helpful hints, collections, and an art gallery. SudokuAstra, a logic puzzle that completes constellations! Mysterious constellations in the night sky meet classic Sudoku. SudokuAstra is a logic puzzle game that adds a calm constellation mood to the familiar fun of filling in Sudoku cells one by one. Whether you are a beginner who wants to play casually or an experienced player looking for a greater challenge, choose a difficulty that fits your level and refresh your mind every day. [ Key Features ] Beautiful Constellation Theme Immerse yourself in a calm puzzle experience that feels like completing constellations across the night sky as you fill in the numbers. Smart Logic Hints When you get stuck, helpful Sudoku hints guide you toward the next clue. Multiple Difficulty Levels Enjoy Sudoku at your own pace, from easy puzzles to more challenging boards. Clean Interface A simple and intuitive layout helps you focus on solving puzzles without distractions. Offline Play Support Basic puzzles can be played anytime, anywhere, even without an internet connection. Records and Achievements Check your play history, progress by difficulty, and achievements as you continue your own Sudoku journey. [ PRO Version Benefits ] Upgrade to the PRO version for a more comfortable puzzle experience. With a one-time purchase, you can remove ads and use hints without limits. Enjoy SudokuAstra more deeply in a distraction-free environment. Start your calm brain journey under the starlight with SudokuAstra.

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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.

The developer, ChanGyu Kang, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers
    • Usage Data
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • ChanGyu Kang
Size
  • 7.9 MB
Category
  • Puzzle
Compatibility
Requires iOS 16.0 or later.
  • iPhone
    Requires iOS 16.0 or later.
  • iPad
    Requires iPadOS 16.0 or later.
  • Mac
    Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 6 more
  • English, French, German, Japanese, Korean, Simplified Chinese, Spanish
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Nicechann Studio