Download the PC version, and the mac version of the
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. Then you can build your own mac version from any PC version of the game. Saves me a lot of time on this forum. I can't remember which I downloaded here, but the steam version works on M series amcs, and the compressed here works on my older intel mac.
So it can be yours to play
Edit: Also, newer macOS has aggressive blocking of downloaded files. Try holding control while right clicking, and open from the file menu, cancel the first time, then do it again and open anyway. Depends on which version.
If you build from the PC version, it's open without that annoyance.