Three games live · zero setup
Play solo. Team up. Battle your rivals.
SudoKru, SonarKru, and Buzzer start right in your browser. Pick a game, share one code, and every move appears live.
- 128k rounds played
- 4.8/5 from players
- English & French
The lineup
Pick your chaos
Everything we make runs live, in real time. New games join the shelf all the time.
Live nowSudoKru
Grab your Kru, race the grid
Race a sudoku grid, solve one live board as a Kru of up to four, or take on your rivals in a rated Battle.
SoloTogetherBattle1–4 players
Live nowSonarKru
Ping the grid. Claim the words.
Trace hidden words solo, share one live hunt with a crew of up to four, or claim words before your rivals do.
SoloTogetherBattle1–4 players
Live nowBuzzer
Buzz in. Steal the show.
Host a live quiz from your phone: players buzz in from any device, the stage view fills the big screen, and spectators follow every reveal.
Buzz-inBig screenSpectators2–20 players
New: Kru Academy
Learn sudoku with Kru
Never played, or stuck at medium? Kru teaches you himself: watch him play each technique move by move, drill it on real grids, then pass a belt exam to make it official. From your very first digit to expert depths.
Five belts deep: Rock Pool to Abyss
Free with the game, right in your browser
More games in the works
SudoKru, SonarKru, and Buzzer are just the start. Party sketching, word duels, co-op puzzles, new real-time titles join the shelf as soon as they're ready.
How it works
Three steps. That's it.
- 1
Pick a game
Browse the shelf, hit play. Every game explains itself in 30 seconds.
- 2
Share one link
Group chat, email, carrier pigeon, anyone with the link is in.
- 3
Play together
Phones, laptops, tablets, everyone plays from whatever they've got.
Why people stick around
Instant fun
From link to laughing in under a minute. We time it.
Free to play
Every game is free during early access, jump in, no card needed.
One account, every game
Your progress, unlocks and stats, everywhere, forever.
Made for groups
2 players or 20, friends, family, coworkers, classrooms.
Free in early access
Every game, free right now
While we're in early access, the full version of every game is free, including the ones we haven't made yet.
- Every game, fully unlocked
- Future games included
- First 100 players: free forever
No card, no catch, pricing comes later.
For organizers
Run it at your event, under your brand
License a game, slap your logo and colors on it, and host live: every player's board on your console, any board on the big screen.
- Your logo & colors
- Big-screen projector mode
- Guests join by code, no accounts
People are yelling (nicely)
“Our Friday game night went from herding cats to one link in the group chat. Even grandma joins now.”
Marie-Claude T.
Hosts family game night
1 / 5
Drag a card, or use the arrows.
Good questions
The stuff everyone asks before their first game night.