FamilyMysteries3 1.0.3 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
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 application lies within Games, more precisely Arcade. This free Mac app was originally created by Artifex Mundi.
From the developer:
Family Mysteries 3 makes you take the role of a famous scientist drawn into a dangerous game, where the goal is to save the mankind and uncover family secret. You get ready for a pulse-pounding adventure in a world of experiments, mysteries and espionage. You must avoid being uncovered, save the mankind and discover the old family secret, which will shed some light on the past.
You may want to check out more Mac applications, such as MicroWar, Bubblegym or A Tack!, which might be similar to FamilyMysteries3.