Is Fermi free to play?

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

How often does Fermi reset?

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

On fermi.gg, 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 free daily estimation game. Three questions each day, one guess per question, scored on how close you land to the real answer.

Fermi

Logic & Math

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

If you play Fermi, the closest things to it in the catalogue are Shikaku of the day, Clues By Sam and Seedle.io. They sit in the same logic & math category. See the full list of alternatives.