Logic & Math1 plays
3Doku
andrewt.netDaily ice-sliding logic puzzle where you glide a penguin across the board to collect every fish in as few slides as possible.

3Doku
Logic & Math
How to play 3Doku
Sudoku wrapped around a cube, using the numbers 1 to 16 instead of 1 to 9.
- Each line and each block must contain every number exactly once
- Faces share edges, so a number placed on one side constrains the next
- Several difficulties, and a hint when a face refuses to close
The facts
- Runs on
- andrewt.net
- Category
- Logic & Math
- Languages
- French
- How often
- A new puzzle every day
- On BoreGame since
- February 2026
- Last updated
- August 25, 2026
- Price
- Free, no signup
Questions about 3Doku
How do you play 3Doku?
Sudoku wrapped around a cube, using the numbers 1 to 16 instead of 1 to 9. Each line and each block must contain every number exactly once Faces share edges, so a number placed on one side constrains the next Several difficulties, and a hint when a face refuses to close
Where can I play 3Doku?
On andrewt.net. You can also start it from this BoreGame listing.
How it compares
If you play 3Doku, 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.











