Civilization Beyond Earth 1.1.4 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The actual developer of this Mac application is Aspyr Media, Inc. The program lies within Games, more precisely Strategy.
From the developer:
Civilization Beyond Earth is a strategy game with a science-fiction theme. Set in the future, global events have destabilized the world leading to a collapse of modern society, a new world order, and an uncertain future for humanity. As the human race struggles to recover, the re-developed nations focus their resources on deep space travel to chart a new beginning for mankind.
You may want to check out more Mac applications, such as Civilization V: Campaign Edition, American Civil War - History and Mysteries or Civil War 1864 Free, which might be similar to Civilization Beyond Earth.