Lightbox Expo: Box of Mystery Environment Design Exterior

I joined Lightbox Expo: Box of Mystery Environment Design, this was mostly to get more in to doing my own design and see if i can manage to do some concept art. Had so fun doing this and learn lot watching all the other people that was part of the contest.
https://www.artstation.com/contests/lightbox-expo/challenges/85/submissions/50608
Thanks everyone that helped with feedback!

To see the progress.
https://www.artstation.com/contests/lightbox-expo/challenges/85/submissions/50608