I played this game successfully a few weeks ago, when my Macbook Pro was still running Mojave. Now, when I launch it, the screen is garbled, but only in fullscreen. I can't even take a screenshot of the problem because when the screenshot overlay appears, the problem is magically fixed. It also gets fixed for a few milliseconds at a time when ticking through graphics settings. In windowed mode (not fullscreen), this doesn't occur at all and the display is fine. Anyone else experience this?


Edit: figured it out. Once I granted the accessibility permission to GOG Galaxy (under Security & Privacy settings), the problem went away.