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and convert the PC version to macOS, it's pretty straightforward to do and best to learn how now, so you're never waiting for a mac version.
- put the renpy folder somewhere on your mac, I leave it in the downloads
- put the unzipped renpy game (in this case SG) in the renpy folder (you might have to set the target folder in the prefs, I can't remember)
- run renpy
- click on the SG project
- click build distributions
- make sure mac is checked under build packages, you don't need the others
- click build and wait for it to process
- unzip the newly made zip and play
Or you can download the compressed which has already been converted.
Compressed versions should be here