Priya finished every sudoku workbook, every app, every puzzle in the Saturday paper. Solo sudoku has no ceiling for her. A 9×9 against 40 live strangers does.
verified_user No account · No download · Safe for all ages
PLAYER
SwiftPriya11
03:41
3rd → 1st over 6 games
Priya is 11. She started sudoku at 7 and burned through everything in her path. Workbooks, apps, practice sites, the Saturday Times — all finished, all repeated, all eventually dull.
The problem wasn't difficulty. The 9×9 is genuinely hard. The problem was there was no one to lose to.
Solo sudoku has no pressure. No stakes. You can stop, come back, take your time. There's no adrenaline in a puzzle with no opponent.
She loaded Kidoku Live expecting another solo game. Selected 9×9. Found a lobby of 38 players. Saw the countdown. Felt something she hadn't felt before: the possibility of coming last.
She came third. Her time was 4:52. The winner — LogicLion07 — finished in 3:41.
She stayed for six more games. She won the fifth. She's come back every day since.
Turns out, she wasn't looking for harder puzzles. She was looking for someone to beat.
No tutorial needed. She knows sudoku. This is just adding opponents.
She already knows sudoku. Pick a nickname, select 9×9 Classic, enter the lobby. That's it.
A live feed shows opponent progress. She can see LogicLion07 is 30% ahead. That's the pressure that makes her think faster.
Daily at 4 PM — a global 9×9 tournament. Top 10 finish times go in the Hall of Fame beside a permanent trophy.
Today's fastest time is 3:41. She needs to beat that, then beat the player who beats it. The ceiling is always just above her.
Beyond 9×9 is the 10×10 — ten digits, more constraints, and the kind of challenge she's never seen in a workbook.
The Grand Prix top 10 is permanent. Her name, rank, and time archived. Something no workbook could ever give her.
LogicLion07 WINS!
Time: 3:41 · Accuracy: 100%
🏆 Grand Prix · Today 4 PM
Quick matches for daily practice. Grand Prix for glory. 10×10 for the real test.
Pick any grid size from 4×4 to 10×10. Jump into a live room instantly. Warm up on 9×9, graduate to 10×10.
Every day at 4 PM. Global 9×9 or 6×6 tournament. Top 10 go in the Hall of Fame permanently.
60 seconds. Partial cell scoring. The fastest possible measure of who knows their logic cold.
Play with numbers or with themed icons. The constraint logic is identical.
Warm up on this before the real race.
Visual abstraction. Symbols instead of numbers.
Mercury to Neptune. Eight planets, nine cells.
The only platform with live multiplayer sudoku at every grid size, for kids, with zero data collection.
| Feature | Kidoku Live | Chess.com / Others |
|---|---|---|
| Live Multiplayer Sudoku | check_circle | cancel |
| Six Grid Sizes (4×4 to 10×10) | check_circle | cancel |
| Daily Global Tournament | check_circle | cancel |
| Hall of Fame with Permanent Ranking | check_circle | cancel |
| No Account Required | check_circle | cancel |
| Zero Personal Data | check_circle | cancel |
Everything you need to know about Kidoku Live for this use case.
The largest grid available is 10×10. Most advanced players aged 11–14 compete on 9×9 Classic or 10×10 Challenge. Both grid sizes are available in Quick Match, Grand Prix, and private room modes. The 10×10 is the highest skill test currently offered.
Yes. The daily Grand Prix at 4 PM and the Hall of Fame leaderboard are global. Any player at kidoku.app/live competes against real people worldwide in real time. There are no bots. Finishing in the top 15 globally is a genuine achievement.
Significantly. Solo apps let you pause, restart, and take unlimited time. Kidoku Live is timed, live, and publicly ranked. Other players are solving the same puzzle simultaneously. This pressure produces a qualitatively different challenge — the same logic skills under competitive conditions.
The daily Grand Prix runs at 4 PM every day. All registered players solve the same puzzle simultaneously. The leaderboard updates in real time as players finish. Final standings are posted immediately after the last player completes. There is no sign-up required to enter — just visit kidoku.app/live at 4 PM.
All opponents are real humans. Kidoku Live does not use bots or AI opponents at any time. Every position on the leaderboard belongs to a real player who solved the same puzzle at the same time. This is what makes placing well genuinely satisfying.
Kidoku generates a random username automatically — something like QuickFox44 or GridKing09. The child cannot enter their real name. The username is temporary and not stored. No personal data is collected at any point.
Yes. Constraint-elimination logic — the core skill in sudoku — directly underpins non-verbal reasoning test performance and higher-order thinking skills (HOTS). Teachers and tutors use Kidoku Live specifically because the pattern recognition and deductive reasoning it practises transfer to academic tests.
Kahoot tests recall of facts already taught. Kidoku Live tests active logical reasoning with no prior knowledge required. For students aged 11–14 who have mastered basic maths facts, Kidoku provides a more cognitively demanding competitive experience. It is a logic competition, not a quiz.
The only way to find out is to be in the room when the countdown starts. She's got until 4 PM.
200+ players · Live right now