Interesting game with some good ideas and ambitious story. My three major criterions in any game analysis are the extent to which game utilizes its gameplay mechanics, how this mechanics interact with the story and artistic style to produce an integral aesthetic experience of a game, and how fun and interesting this experience is to me.
As to game mechanics, I think that some of them could have been improved to create more seamless gameplay. For example, actual platformer mechanics in this platformer game are, in my opinion, somewhat rough and bumpy: the heroine is too tall (or the ceilings are to low), so at many points when jumping over a pit was required her head was the cause of frustrating death on the spikes. Also squatting, crawling or other ways of interactions with environment would have add more variety and depth to the gameplay experience. However, game achievements, in my opinion, work really well, serving as a supplementary motivation source for search for new ways to complete the game.
Visual and sound design are impressive, the atmosphere of rust and decay is conveyed very well. But since visual undertones, contrasts and details are quite few, these two major visual themes pall somewhere in the middle of the walkthrough. The story though is not devoid of satisfying sense of horrifying mystery and is narrated in a very seamless and creative way.
Overall, with all the positive aspects mentioned above, I think this game's major drawback is lack of undertones and variety - both gameplay-wise and visual style/story-wise.