Sufuku
sufuku.comPlay Sufuku: sudoku, but numbers repeat. A new puzzle each day, free in the browser with no download. Quick daily logic & math play.

Sufuku
Logic & Math
How to play Sufuku
On a 6×6 board, each row has one 1, two 2s and three 3s. Bigger boards use bigger numbers.
- 1 2 2 2 1 2 2 2 1 Rows, columns and regions This applies to every row, column and region. The gold numbers are clues.
- 1 3 3 1 1 3 1 3 3 Too many is a mistake When a number appears more times than its value, it’s a mistake.
- New puzzle daily at 2:00 AM. Easiest on Monday, hardest on Sunday.
The facts
- Runs on
- sufuku.com
- Category
- Logic & Math
- Languages
- English, French, Spanish, IT, PL, PT, JA
- How often
- A new puzzle every day
- On BoreGame since
- October 2026
- Last updated
- October 16, 2026
- Price
- Free, no signup
Questions about Sufuku
How do you play Sufuku?
On a 6×6 board, each row has one 1, two 2s and three 3s. Bigger boards use bigger numbers. 1 2 2 2 1 2 2 2 1 Rows, columns and regions This applies to every row, column and region. The gold numbers are clues. 1 3 3 1 1 3 1 3 3 Too many is a mistake When a number appears more times than its value, it’s a mistake. New puzzle daily at 2:00 AM. Easiest on Monday, hardest on Sunday.
Where can I play Sufuku?
On sufuku.com. You can also start it from this BoreGame listing.
How it compares
If you play Sufuku, the closest things to it in the catalogue are Fermi Unlimited, RNGdle and Shikaku of the day. They sit in the same logic & math category. See the full list of alternatives.







