The 1.0 version of Surface: The Soaring City CE for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. Surface: The Soaring City CE for Mac is included in Games. The actual developer of this Mac application is Elephant Games. We recommend checking the downloaded files with any free antivirus.
From the developer:
Surface: The Soaring City Collector's Edition is a hidden-object puzzle adventure game. Jeremy was a great inventor who discovered a magnificent land soaring in the sky. He created wings for the people, making them free. The new citizens were happy...until one day Jeremy was kidnapped and blamed for conducting inhumane experiments. It's up to you to save your brother from imprisonment and redeem his good name.
You may want to check out more software for Mac, such as Surface: The Soaring City, Tram Simulator 2D - City Train Driver - Virtual Rail Driving Game or Paranormal Crime Investigations: Brotherhood of the Crescent Snake - CE, which might be related to Surface: The Soaring City CE.