This pixel-art is based on two images: the first one is neater but lacks a few small details, that present on the second one.
Making it in 2 colors is both a way to spend less time colouring/shadowing/AA-ing it and a challenge to make it clear and readable without all this stuff. I personally like it but I will appreciate all your criticism (if any  ) | 
Very cool! It inspired me to design the level 3-4 of CP6 (a videogame I made with two of my friends. You can play it on newgrounds and kongregate).