Hi! I tried to download this game on an M1 Mac but after downloading the MACOS zip file and unzipping, trying to open the application shows the message "Project Kat is damaged and can't be opened. You should move it to the trash" and the game deletes itself. Is this a known issue by any chance?
Yes! This happens on Mac sadly, the instructions are in the description of this page, let me paste them for you:
MacOS Users: please be aware of a feature called Gatekeeper, which may show the message "This application is damaged and can't be opened. You should move it to the trash" when opening Project Kat. You can find information on how to bypass this error in this video. Alternatively, you can try to install Project Kat using the Itch App.