Logic & Math 64 plays
CodeDoku
codedoku.appFree daily logic puzzle where you place items in a 3×3 grid by combining row and column clues. One shared puzzle per day, plus extra puzzles anytime, with no account required.
CodeDoku
Logic & Math
How to play CodeDoku
Fill a three-by-three grid using intersecting row and column clues.
- Deduce each cell from where its two hints cross
- You have lives, so a wrong placement costs something
- Everyone plays the same board each day, and practice puzzles are there any time
- Current and best streak are both tracked
The facts
- Runs on
- codedoku.app
- Category
- Logic & Math
- Languages
- English, Spanish, Portuguese
- How often
- A new puzzle every day
- On Alldle since
- June 2026
- Last updated
- August 26, 2026
- Price
- Free, no signup
Questions about CodeDoku
- Is CodeDoku free to play?
- Yes. CodeDoku runs in a browser at no cost, with nothing to install and no purchase to make.
- How often does CodeDoku 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 CodeDoku support?
- English, Spanish and Portuguese, according to the game itself.
- Where does CodeDoku run?
- On codedoku.app, and you can play it inside this page without leaving Alldle.
- What kind of game is CodeDoku?
- It sits in Logic & Math, alongside the other daily games of that kind in the catalogue.
How it compares
If you play CodeDoku, the closest things to it in the catalogue are Shikaku of the day, Clues By Sam and Seedle. They sit in the same logic & math category. See the full list of alternatives.