The 2.0 version of Echoes of the Past: The Citadels of Time CE for Mac was provided as a free download on our website. The software is included in Games. This Mac application is an intellectual property of Big Fish Games.
From the developer:
Echoes of the Past: The Citadels of Time Collector's Edition
You may want to check out more software for Mac, such as Echoes of the Past - The Citadels of Time, Echoes of the Past: The Revenge of the Witch or Echoes of the Past- The Castle of Shadows - Collector's Edition, which might be related to Echoes of the Past: The Citadels of Time CE.