The top picture has purple obstacles and a blue background, and the bottom picture has blue obstacles and a purple background. Just thought I'd share that
I was giving this one some thought - I like to play these stylized 2D platformers - but beating the infinite generated levels doesn't sound quite so appealing as beating levels crafted by a level designer. I may still give it a look in though.
*EDIT: The bottom picture that is actually a video.
The way of life is the posture of a tree; rigid trunk for structured and directed childhood, followed by open branches - life choices. Some branches take one higher than others, and some split many times. But never forget...Every branch bears a leaf.