I am sorry about that, I couldn't find any mac device for testing. Just wanted to confirm did you unzip the downloaded file? I may be wrong (since I have not tested it myself) but I guess after unzipping, the executable should be in " Base Dolphin macOS.app / Contents / MacOS / Base Dolphin ".
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Ohk, I'm sorry for bothering you, I should have researched about it before. When I exported the game, it created a folder named "Base Dolphin macOS.app". And then I compressed it as a .zip file. I assumed .zip files were popular in the macOS environment too. I guess I will make changes after the jam, for now, you can try downloading from the link given below if you are interested https://drive.google.com/drive/folders/1awvRPtq1oPOJA1sANznAHQrNQftMszbr?usp=sha...