I feel the same, I've gotten a decent way into it but nothing calls me back. I played Asylum in a weekend because I didn't want to put it down.. There's nothing I recall bad about Knight. My opinion, it went too far with the open-worldness and too short on the story. I preferred the tight smaller scale story of Arkham Asylum of the three. Most like City more though.
I feel the same, I've gotten a decent way into it but nothing calls me back. I played Asylum in a weekend because I didn't want to put it down.. There's nothing I recall bad about Knight. My opinion, it went too far with the open-worldness and too short on the story. I preferred the tight smaller scale story of Arkham Asylum of the three. Most like City more though.
You also got to explore the entire asylum top to bottom, whereas most of the city buildings are just set dressing.