UsDoku
Play real-time multiplayer Sudoku.
UsDoku launched on October 28, 2020 with 68 votes, #774 of 4,018 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 5 years on.
What it does
UsDoku.com is a real-time multiplayer Sudoku game where you battle your friends to see who can complete the puzzle the fastest. Blocks change their color to the player who gets them right first. Correct answers score points, mistakes cost them.
Play live, multiplayer Sudoku against your friends.
Does a similar job
all alternatives →- MSMultiplayer sudoku. Race to fill in the most squares2022 · ▲6
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
Multiplayer SudokuJun 2026 · multiplayersudoku.in · ▲2Play Sudoku in real-time against players worldwide
- IMI Made a Sudoku Game2024 · sudoku-aj.netlify.app · ▲40
Source: https://github.com/alabhyajindal/sudoku/blob/main/index.html
Sudoku TogetherFeb 2026 · sudoku2gether.com · ▲4Play and solve Sudoku puzzles with your friends in real-time
- HPHyperSudoku – Play Sudoku live with your friends online2022 · hypersudoku.app · ▲11
Hi HN, I built a web-based Sudoku game to play with live with my friends or solo with a timer for practice. Get a game going in a few seconds. I'm excited to finally finish this project and putting it out there, after years of procrastination. Hope you like it! https://hypersudoku.app
- HMHyperSudoku – Multiplayer sudoku puzzle every 15 min2022 · ▲9
Hi All, This the second iteration of a multiplayer sudoku web-based game I built recently. Hope you like it! Features: 1) No login needed, 2) Web app, that can be added to home-screen as needed, 3) Works on Desktop (with arrow keys supported) & Mobile, 4) Share link with friends to invite to the game Game Rules: 1) New puzzle starts for everyone every 15 minutes, 2) Game ends if you run out of time, 3) Fill all empty tiles correctly before time runs out to win, 4) Incorrect moves will disable the board for a few seconds, with penalty increasing as you've fewer empty tiles remaining Get…
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