Life & fun · alternatives · 2026
24 alternatives to UsDoku
Play real-time multiplayer Sudoku.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. UsDoku launched in 2020; newer entries below may have overtaken it.
- 1MS
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 →
- 2
Play Sudoku in real-time against players worldwide
Jun 2026 · multiplayersudoku.in · its alternatives →
- 3IM
Source: https://github.com/alabhyajindal/sudoku/blob/main/index.html
2024 · sudoku-aj.netlify.app · its alternatives →
- 4
- 5
- 6
Play and solve Sudoku puzzles with your friends in real-time
Feb 2026 · sudoku2gether.com · its alternatives →
- 7
- 8HP
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
2022 · hypersudoku.app · its alternatives →
- 9HM
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…
2022 · its alternatives →
- 10
- 11
- 12
Modern sudoku puzzles & multiplayer races
Nov 2025 · sudokuchallenges.com · its alternatives →
- 13
- 14
A clean, ad-free Sudoku built with React.
Oct 2025 · 5mbreak.com · its alternatives →
- 15
- 16
- 17
Play Free Online & Offline Sudoku
2024 · sudoku.best · its alternatives →
- 18
- 19SP
Hi HN, I've been working on this Sudoku web app for the past couple of years, on and off during free weekends and afternoons. I started working on it because I was bored during COVID, and Cracking the Cryptic had just become popular on YouTube, which got me wondering how hard it could be to make a Sudoku app. The main idea is for the app to understand the constraints and know how to solve Sudoku grids (and not just be a simple Sudoku drawing/playing app). When it comes to classic Sudoku, the solver doesn't support anything more complicated than X-Wing, but it understands the…
2025 · sudokuvariants.com · its alternatives →
- 20
Free Sudoku App with advanced levels and hints
2025 · sudokusmart.com · its alternatives →
- 21
Simple, addictive Sudoku for daily mental workout.
2025 · play.google.com · its alternatives →
- 22
- 23
Sudoku is classic number game to Train your brain and logic
2022 · its alternatives →
- 24
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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 →