Looks like the mac version doesn't work, at least on Catalina. :(
Maybe GameMaker studio is exporting 32 bit instead of 64 bit?
Thank you for your report. Could you show what kind of error you've got? My friend will try to make yet another build for mac.
Unfortunately it's not very useful:
I've tried right click open as well, but it gives me the same message, even though on most other apps it works...
Thank you, I'll pass your information to a friend of mine, who makes me MAC builds. I'll try to make an HTML5 build for you.
Unfortunately, I haven't managed to build a good HTML5 version, hope a friend of mine will build a new Mac version soon.
It's a little bit late, but I've got a new MAC version. Hope, you can spend some time on playing my game and giving feedback.