Is Fermi Unlimited free to play?

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

Is there a daily limit on Fermi Unlimited?

No. Fermi Unlimited is one of the unlimited games in this directory, so it does not hold you to a single puzzle a day.

On playdaily.org, 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 1.7k plays

Make educated numerical guesses to Fermi-style estimation questions and see how close your answer is.

Fermi Unlimited

Trivia

Is Fermi Unlimited free to play?: Yes. Fermi Unlimited runs in a browser at no cost, with nothing to install and no purchase to make.
Is there a daily limit on Fermi Unlimited?: No. Fermi Unlimited is one of the unlimited games in this directory, so it does not hold you to a single puzzle a day.
What languages does Fermi Unlimited support?: English.
Where does Fermi Unlimited run?: On playdaily.org, and you can play it inside this page without leaving Alldle.
What kind of game is Fermi Unlimited?: It sits in Trivia, alongside the other daily games of that kind in the catalogue.

If you play Fermi Unlimited, the closest things to it in the catalogue are 100 of Us, Plain Game and Costcodle. They share its estimation & numbers. See the full list of alternatives.