Downloading Soulless 3.0 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. The program lies within Games, more precisely Arcade. We recommend checking the downloaded files with any free antivirus. This software for Mac OS X is a product of Cobra Blade.
From the developer:
In Soulless a zombie outbreak has taken out the artificial settlement Ziltron. Their origin is unknown, all communication seems to be lost, so now Earth sends its greatest hope, the Space Marines. Their goal, rescue any survivors, and discover the source behind this sudden outbreak. There are multiple paths to take through Ziltron, what will you discover, who will you rescue?
You may want to check out more software for Mac, such as LilyPond or Kill Dr. Cote, which might be related to Soulless.