@jplebreton I think about this a lot. I spent a lot of my late teens playing counter strike source zombie mod, a game mode where map familiarity was 90% of the skill involved.
I still vividly remember those spaces and all their secrets and tricks. It's not just that they were background to important conversations and moments, the spaces themselves have emotional meaning to me. Living now where I move apartments every year or so some of those maps feel more like my home than my actual home.