Is Anidoku free to play?

Yes. Anidoku runs in a browser at no cost, with nothing to install and no purchase to make.

How often does Anidoku reset?

Once a day. Everybody gets the same puzzle, and a new one replaces it when the game's day rolls over.

On anidoku.moe, and you can play it inside this page without leaving Alldle.

It sits in Trivia, alongside the other daily games of that kind in the catalogue.

Trivia 37 plays

Daily anime sudoku where you fill a 3x3 grid with anime titles that match both the row and column clues.

Anidoku

Trivia

Is Anidoku free to play?: Yes. Anidoku runs in a browser at no cost, with nothing to install and no purchase to make.
How often does Anidoku 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 Anidoku support?: English.
Where does Anidoku run?: On anidoku.moe, and you can play it inside this page without leaving Alldle.
What kind of game is Anidoku?: It sits in Trivia, alongside the other daily games of that kind in the catalogue.

If you play Anidoku, the closest things to it in the catalogue are AnimeGrids, Anime to Anime and Anime Higher or Lower Daily Challenge. They sit in the same trivia category. AnimeGrids is from the same universe, Anime. See the full list of alternatives.