Download of Quarto 1.1.1 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The following version: 1.1 is the most frequently downloaded one by the program users.
The bundle id for this application is com.spectralclass.games.Quarto. Quarto.dmg.gz is the default file name to indicate this program's installer. Quarto for Mac lies within Games, more precisely Board.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The actual developer of this software for Mac is Spectral Class software.
From the developer:
Quarto is a strategic board game which is easy to learn and fast to play. This version supports network play (including support for Apple's Rendezvous (now called Bonjour) technology). It uses fully hardware accelerated OpenGL graphics and comes playable in 4 languages: English, French, Russian, and German.
You may want to check out more software for Mac, such as Jig Words, Monster Ball Demo or Shisen-Sho, which might be related to Quarto.