Just watched an interesting video from a channel I enjoy about the topic. Personally, I would say My Time At Portia is a prime one. Mainly, due to performance issues like slow loading but something like Eastward that has so much dialogue is also a flaw for me.
What would you say are games with a clear “design flaw” as subjective as that is – that you still class as a gem?
Edit: referenced video is here from “SwitchUp” https://youtu.be/hUWRPiYevRA