I do like this one and the linework is real nice.

Still, it is definitely on the dark side. And other than it being night and abandoned, I wouldn't suggest keeping it this dark, especially because it is outside.

If you want a night, I would suggest a bluer tone, but would still lighten the map a bit. Also, adding some light sources and adding their casting light with soft edge brush would look nice.

Good luck going forward!
-Omri