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 Alldle since
- February 2026
- Last updated
- August 25, 2026
- Price
- Free, no signup
Questions about 3Doku
- Is 3Doku free to play?
- Yes. 3Doku runs in a browser at no cost, with nothing to install and no purchase to make.
- How often does 3Doku reset?
- Once a day. Everybody gets the same puzzle, and a new one replaces it when the game's day rolls over.
- What languages does 3Doku support?
- French.
- Where does 3Doku run?
- On andrewt.net, and you can play it inside this page without leaving Alldle.
- What kind of game is 3Doku?
- It sits in Logic & Math, alongside the other daily games of that kind in the catalogue.
How it compares
If you play 3Doku, the closest things to it in the catalogue are Shikaku of the day, Five Fold and Daily Akari. They share its daily, logic grid, medium. See the full list of alternatives.
