Yes, they publish their guidelines which states as such… but how is Quake 1 too simple? Downvote all you want, but within the context of Quake 1 being approved on the Apple Watch, “too simple” isn’t relevant.

The point is that they can reject you for subjective reasons even if you fully comply technically.

I've never heard, or seen that before. Everything I've ever seen rejected by Apple (either personally from my own apps, clients, or from press reports) has always been a guideline issue.

So, "Subjective reasons" such as? Example?

Here is an example of a 3D game running on the Apple Watch, that was approved by Apple, on the App Store, which looks rather "Quake like". Mindkeeper: The lurking fear (Apple Watch)[https://apps.apple.com/us/app/mindkeeper-the-lurking-fear/id...]