Hello. Sorry about that. Mac builds are difficult to run due to strict security rules and an expensive notarization process required by Apple. This workaround may help:
https://www.nathalielawhead.com/candybox/opening-electric-zine-maker-on-macos-gu...
I can look into making a WebGL build, but the way the game works, I don't think it will be optimized or optimal to play through a browser.