The current version of Shnuffle defence for Mac is version 0.2.2, the full patch notes for which can be found on the PC download's page (you don't have to download the file first).
The port was created using WineSkin and as a result of that, the file size is a couple of hundred Mb larger, however, a smaller version IS being worked on. Please remember that the Wineskin port is only a temporary version,
Compatibility issues may occur due to the nature of the port, however, if any do occur, they will be minor.
To download the Mac version, please visit the download page of Shnuffle Defence, where the latest download will be.