There is a new version of Cheat Engine out that is compatible with the latest MacOS version. It’s very stable and usable with the latest MacOS games. At the moment of this writing it is only available on the Cheat Engine Patreon.
Because Apple Arcade games are playable on Apple TV, iOS, iPadOS, and MacOS we can use our MacOS computers with Cheat Engine to hack game resources and sync the saves with our other devices that cannot be hacked.
You use Cheat Engine like you would on Windows. Here is a YouTube video explaining the process: