Is Sixes free to play?

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

How often does Sixes reset?

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

On mindloftdaily.com, and you can play it inside this page without leaving Alldle.

It sits in Logic & Math, alongside the other daily games of that kind in the catalogue.

Logic & Math New

A daily 6×6 mini Sudoku from Mind Loft. Fill every row, column, and 2×3 box with 1 through 6 without repeats.

Sixes

Logic & Math

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

If you play Sixes, the closest things to it in the catalogue are Alibi, Read the Room and Trivia Gauntlet. They sit in the same logic & math category. Alibi is from the same universe, Mind Loft. See the full list of alternatives.