Multiplayer Sudoku — Play With Friends Online
Sudoku is usually a quiet solo puzzle. Multiplayer Sudoku turns it into a live race: you create a private room, share the link with friends, and up to four people solve the same puzzleat the same time to see who finishes first. Everyone sees their opponents' progress in real time, and a last-second comeback is the kind of tension a solo grid can never give you.
How to play Sudoku with friends (3 steps)
Step one: create a room. Pick the mode, size and difficulty, then open a private room. Step two: share the link. Send the room link through WhatsApp, Messenger or any chat app. Step three: race.Once everyone is in, you start, the same puzzle appears for all players, and it's a real-time race to finish first. When it's over, hit “play again.”
Join with just a nickname — no sign-up
People you invite don't need an account: they open the link, pick a nickname, and drop straight into the race — no login wall, no download. It's privacy-clean too — even if you sign in to save a score, your email is only ever used for login and is never a search key, so nobody can find you by it. Sign in if you want a spot on the worldwide leaderboard; skip it and still race all you like.
Race across five modes
Multiplayer isn't limited to classic Sudoku: Classic, Killer, Skyscraper, Avalanche, and the three-dimensional Cube — five ways to play, all head-to-head, with a difficulty for beginners and veterans alike.
Free, no download, on any device
Multiplayer Sudoku plays right in your browser on phone, tablet or desktop. There's nothing to install and nothing to pay — the core game is completely free.
Start a multiplayer Sudoku race →
Frequently asked questions
How many people can play multiplayer Sudoku together?
Up to four players race in the same room — you plus three friends — all solving the same puzzle at the same time.
Do my friends need an account to join?
No. Anyone you invite joins straight from the link with just a nickname — no sign-up and no download. An account is only needed if you want to save your time to the leaderboard.
Is multiplayer Sudoku free?
Yes, completely free. The whole race plays in your browser with no install and no payment.
How do I invite friends to a Sudoku race?
Create a room, then share the room link with any messenger. When your friends open it they drop straight into the lobby, and everyone races the same puzzle once you start.
Which Sudoku modes can we race?
You can race Classic, Killer, Skyscraper, Avalanche, and the 3D Cube — five different ways to play, all head-to-head.
Can we play multiplayer Sudoku on phones?
Yes. It works in any modern mobile browser, so friends can join from a phone, tablet or computer.