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Dev tools · alternatives · 2026

24 alternatives to Kodiak Sudoku

Sudoku without the ads. Keyboard-first. Daily leaderboard.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    Puzzle Lair brings Sudoku, Killer Sudoku, Calcudoku, X-Sudoku, Kakuro, Ripple Effect, Crossmath and Nonogram together in one clean, free site. Solve daily logic puzzles, track your stats and climb the leaderboards.

    Jun 2026 · puzzlelair.com · its alternatives →

  2. 2

    Minimalist sudoku experience with competitive leaderboards.

    2021 · sudokukings.com · its alternatives →

  3. 3
    UsDoku▲68

    Play real-time multiplayer Sudoku.

    2020 · usdoku.com · its alternatives →

  4. 4
    SudoKoi▲81

    Your next favorite pastime, like Sudoku

    2021 · sudoku.efabian.me · its alternatives →

  5. 5

    A clean, ad-free Sudoku built with React.

    Oct 2025 · 5mbreak.com · its alternatives →

  6. 6IM

    Source: https://github.com/alabhyajindal/sudoku/blob/main/index.html

    2024 · sudoku-aj.netlify.app · its alternatives →

  7. 7

    Simple Sudoku game with focus on play anywhere, any time

    2022 · crane-sudoku.app · its alternatives →

  8. 8
    Guriddo▲63

    A competitive & daily Sudoku-like number puzzle

    2022 · guriddo.app · its alternatives →

  9. 9SW

    Hello HN, I've created a new Sudoku app for iOS and Android that prioritizes simplicity and privacy. It's free to download and use, and I'd be grateful for any feedback or suggestions. Features: > 4 difficulty levels, accessible at any time > No personal data collection of any kind > Clean, minimalistic design that focuses on the game > Takes up significantly less space than other popular apps (by a factor of about 10x) > Minimal use of advertisements I was frustrated by how many of the popular Sudoku apps feel excessively over-engineered, consume a lot of storage space and some that even…

    2023 · its alternatives →

  10. 10

    First Sudoku puzzle community app

    2025 · apps.apple.com · its alternatives →

  11. 11

    Simple, addictive Sudoku for daily mental workout.

    2025 · play.google.com · its alternatives →

  12. 12

    Free Sudoku App with advanced levels and hints

    2025 · sudokusmart.com · its alternatives →

  13. 13

    Discover ultimate Sudoku. no ads, one purchase, endless fun!

    2025 · apps.apple.com · its alternatives →

  14. 14

    Play free web sudoku games online

    2025 · its alternatives →

  15. 15

    Sudoku game with over 10k puzzles and advanced tools & hints

    2020 · play.google.com · its alternatives →

  16. 16

    Classic Sudoku, clean and ad-free

    2025 · play-sudokugame.github.io · its alternatives →

  17. 17
    Sudoku▲5

    sudoku classic sudoku offline sudoku game, & daily puzzles

    2025 · play.google.com · its alternatives →

  18. 18

    Free online Sudoku you can write in

    Jul 2026 · sudosketch.com · its alternatives →

  19. 19

    Daily sudoku. Race the clock. Learn logic.

    Jun 2026 · sudozen.vercel.app · its alternatives →

  20. 20

    Free Sudoku game with essential techniques

    2025 · suwaku.hitoriasobi.life · its alternatives →

  21. 21

    Classic Sudoku, clean and simple

    2025 · sudokuonline.cc · its alternatives →

  22. 22IM

    Source: https://github.com/alabhyajindal/vimsudoku

    2024 · vimsudoku.com · its alternatives →

  23. 23

    12 daily puzzles, no ads, no signup, one shared board

    Aug 2026 · orangebot.ai · its alternatives →

  24. 24MS

    https://sudokurace.io is a free, real time multiplayer sudoku board. Invite your friends and race to fill the most squares. All feedback is welcome. MVP was built over the last ~4 days. Lmk what you think! You can play with as many people as you'd like at the same time

    2022 · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →