Thank you, I really appreciate the feedback.
I understand what you mean about the checklist not feeling very "detective-like." One of my playtesters mentioned that navigating across up to three dimensions at once felt a bit overwhelming, so I've added more quests to improve the flow and pacing.
Do you think something like an optional "detective mode" in the future — with fewer explicit objectives and more reliance on environmental clues — would improve the investigative feel?