Is Ophex free to play?

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

How often does Ophex reset?

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

On andrewt.net, 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 3 plays

Combine the 7 numbers into the target number using the operations between them.

Ophex

Logic & Math

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

If you play Ophex, the closest things to it in the catalogue are Clues By Sam, 3Doku and LINKR. They share its daily, medium, number puzzle. See the full list of alternatives.