I like the start, here are some of my thoughts. I think the buildings can use some character. Like in 3D everything is straight, I miss a bit the time, damage and character of the buildings. Link A broke back in the roof or a hanging gutter. Maybe some difference in the sizes or a slight offset in the bricks, wooden gate…
In Source, there is an entity you can place down that will make a cubemap for you based on what -it- sees in 6 different directions. You place about one of these in each room, and the reflective thingys act as though they are really reflecting the room. I was curious if there was an entity I could place at the base of my…