Do Not Read This Journal was published five years ago, long before AI tools like ChatGPT were even available, so I can assure you it is entirely human-made. My other game, Do Not Access This Log, did include 2 AI-generated images, which I clearly disclosed on the game page. Aside from those, none of my games involve AI.
And as the name suggests, it’s a “playtest.” It doesn’t always represent the final state of a project.