Sudoku Infinity App Icon

Sudoku ∞ – Neverending Sudoku

Classic Sudoku, fresh variants and clean number-based design.
Available on Android and iOS.
Get it on Google Play Download on the App Store

Sudoku ∞ is a calm, modern Sudoku collection designed for focus, clarity and variety. Play Classic Sudoku or explore Killer, X, Hyper, Even/Odd and Color Sudoku in one clean experience.

Everything is built around classic numbers only—no emojis, no visual clutter. Play fully offline with no ads, no tracking, no account required, plus smart helpers and a satisfying confetti moment when you finish.

Video

Screenshots

Sudoku Infinity start screen
Start screen
Sudoku Infinity classic board first cells filled
Classic board first cells filled
Sudoku Infinity Killer Sudoku board first cells filled
Killer Sudoku board first cells filled
Sudoku Infinity X Sudoku board first cells filled
X Sudoku board first cells filled
Sudoku Infinity Hyper Sudoku board first cells filled
Hyper Sudoku board first cells filled
Sudoku Infinity EvenOdd Sudoku board first cells filled
Even/Odd Sudoku board first cells filled
Sudoku Infinity Color Sudoku board first cells filled
Color Sudoku board first cells filled
Sudoku Infinity settings dialog
Settings dialog
Sudoku Infinity level dialog
Level dialog
Sudoku Infinity confetti celebration after solving
Confetti celebration

Key features

  • Six ways to play: Classic, Killer, X, Hyper, Even/Odd and Color Sudoku
  • Clean, minimalist interface focused entirely on classic number-based Sudoku
  • Fully offline: no Wi-Fi, no account, no cloud required
  • No ads and no data collection
  • Smart hints, optional solve help and flexible assistance settings
  • Optional guides, entry feedback and same-number highlighting
  • Smooth animations and a satisfying confetti celebration when you finish

How to play

  1. Choose a variant, then start a new puzzle.
  2. Fill each row, column and 3×3 block correctly—plus the extra rules of the selected variant.
  3. Play with classic numbers only for a clean and focused Sudoku experience.
  4. Use hints and optional helpers whenever you want a gentler experience.
  5. Finish the board and enjoy the calm confetti celebration.

Offline & privacy

Sudoku ∞ is designed as an offline puzzle game. It contains no ads and no tracking. Your progress and settings stay on your device.

Read the full policy: Privacy Policy

FAQ

Is Sudoku ∞ really offline?

Yes. You can play without internet, registration or cloud sync.

Does Sudoku ∞ collect any personal data?

No. There is no analytics SDK, no tracking and no advertising.

Does Sudoku ∞ use emojis or symbols?

No. Sudoku ∞ is focused on a classic number-based experience, even when you play the newer variants.

What do “smart hints” do?

Hints are designed to guide you forward. You can also enable or disable extra helpers such as guides, feedback and highlighting.

Which Sudoku variants are included?

Sudoku ∞ currently includes Classic, Killer, X, Hyper, Even/Odd and Color Sudoku.

Is the game suitable for beginners?

Yes. Classic Sudoku is easy to approach, and the calm interface plus optional helpers make the game friendly for beginners.

Where can I download Sudoku ∞?

Android (Google Play) and iOS (App Store).

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