Ages 8–10
Speed Sudoku
Quickly solve the missing value in a 4×4 grid.
Timed challenge
Complete 5 rounds as fast as you can. Time is measured by the server.
Personal best: —
Please do not use a surname, phone number, or other personal information. Online rankings — coming soon
0/500:00.0
Prize League · Top‑5
You are in this month’s Top 5!
To enter the monthly prize draw, ask a parent or guardian to leave an email for prize contact. A child’s email is not needed.
Leaderboard
Each player’s best time for the selected age group.
| Rank | Player | Time | Medal | Language |
|---|---|---|---|---|
| No scores yet — you can be first. | ||||
How to play
Each row and column uses 1–4. Choose the value for the empty cell.
Skills
Mental flexibility and solving speed.
The game starts instantly and does not require an account.
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