SAS Zombie Assault 4
The 1.0 version of SAS Zombie Assault 4 for Mac is available as a free download on our website. Our built-in antivirus checked this Mac download and rated it as 100% safe. The actual developer of this free Mac application is Ninja Kiwi. The program lies within Games, more precisely Arcade.
From the developer:
SAS: Zombie Assault 4 is an intense action-shooter with deep RPG elements, including upgradeable guns and armor, unique class skills, and class special abilities. A virus outbreak on a distant trans-federation planet unleashes horrors from humanity's past.
You may want to check out more software for Mac, such as Zombie Assault, Jason vs Zombies or Pro Zombie Soccer AE, which might be related to SAS Zombie Assault 4.