Hello Michele,
thanks for the feedback.
The game was originally created on a Mac using High Sierra 10.13.6 system, Intel i5 core, 3 years ago.
Tested recently on the same computer and working fine.
no Xcode install needed.
Maybe Apple new M-1 hardware is having bugs with older app builds?
Searched at google, please try:
If you are experiencing "App is damaged and cannot be opened" on macOS Ventura, do the following steps to fix it:
- Open the Apple menu > System Settings.
- Select Privacy & Security > Developer Tools.
- Click the ( + ) button and navigate to the folder where the damaged app resides.
- Select the app and click Open.
Please let me know what kind of error you are getting.