Life & fun · alternatives · 2026

24 alternatives to Sudoku Free Online

Sudoku

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
   Sudoku 4 Adults▲11

   Play free web sudoku games online

   2025 · its alternatives →

2. 2
   Sudoku Online▲14

   Classic Sudoku, clean and simple

   2025 · sudokuonline.cc · its alternatives →

3. 3
   Sudoku.best - Logic Puzzle - Number Game▲5

   Play Free Online & Offline Sudoku

   2024 · sudoku.best · its alternatives →

4. 4
   Sudoku.best▲7

   Play Sudoku for Free Online! With Light and Dark modes.

   2023 · sudoku.best · its alternatives →

5. 5
   Sudoku Game▲9

   Classic Sudoku, clean and ad-free

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

6. 6
   Play Sudoku Online▲1

   Free web sudoku puzzles

   2025 · play-sudoku-online.com · its alternatives →

7. 7
   Sudoku Heroes▲1

   🧩 Daily Sudoku Puzzles for Every Level

   Mar 2026 · sudokuheroes.com · its alternatives →

8. 8
   Free Sudoku Online

   sudoku, online sudoku, sudoku solver

   Apr 2026 · onlinesudoku.io · its alternatives →

9. 9IM
   I Made a Sudoku Game▲40

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

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

10. 10
    Got sick of ads, so I made my own logic puzzle site▲251

    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 →

11. 11
    Free Online 9x9 Sudoku Game▲11

    sudoku game

    2024 · 99sudoku.com · its alternatives →

12. 12
    Daily Sudoku▲2

    Time to play and use your brain, in online puzzle games

    May 2026 · daily-sudoku.com · its alternatives →

13. 13
    sudoku.coach▲177

    Play, learn, and more...

    2024 · sudoku.coach · its alternatives →

14. 14
    Mini Sudoku▲3

    Pure logic, minus the grind.

    Jan 2026 · minisudoku.org · its alternatives →

15. 15
    Multiplayer Sudoku▲2

    Play Sudoku in real-time against players worldwide

    Jun 2026 · multiplayersudoku.in · its alternatives →

16. 16
    Sudoku puzzle▲2

    free Sudoku puzzle

    2020 · play.google.com · its alternatives →

17. 17
    Sudoku▲3

    Pure Sudoku – No ads, no lives, no nonsense

    Feb 2026 · apps.apple.com · its alternatives →

18. 18
    Sudoku Mood▲4

    solve Sudoku puzzles created by unique algorithm

    2024 · sudokumood.com · its alternatives →

19. 19SW
    Sudoku with 0 Bells or Whistles▲48

    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 →

20. 20
    sudoku.coach▲99

    The best way to learn and play Sudoku

    2023 · sudoku.coach · its alternatives →

21. 21
    UsDoku▲68

    Play real-time multiplayer Sudoku.

    2020 · usdoku.com · its alternatives →

22. 22
    Evil Sudoku▲12

    Challenge your logic with the hardest sudoku puzzles online

    2025 · sudoku-evil.com · its alternatives →

23. 23
    Sudoku by MonkeyBrains▲6

    Free Sudoku with the hardest puzzles and easiest use!

    2021 · apps.apple.com · its alternatives →

24. 24
    SudoSketch▲6

    Free online Sudoku you can write in

    Jul 2026 · sudosketch.com · its alternatives →

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 →