Well, I'm a mapper. I mean a quite experienced one when you actually talk about it. Been mapping since 2009, respectively 2010. I really love it as it lets you express your crazy ideas that roam inside your brain.
Here's the video, if you are interested to get the codes of this map, just check the video description. Sorry for the quality, I fucked it up by mistake as I rendered it on a different way.
https://www.youtube.com/watch?v=gDHIlZ-PxKM
Not bad. Ladder facing the wrong way though :D
Good job! You could've done way better if you had texturing tools. Oh well, you do now! :D