It's a good concept, but I feel that the art style doesn't lend itself very well to the eerie vibe you're going for. For instance, that tree after the tutorial with the big round clown-like nose. It feels out of place in a Limbo-esque environment. Other than that, it's an alright game.
This was rather wonderful if I might say so myself. Which I do. Solid platforming, beautiful sprites, and interesting gameplay, not to mention a few hidden goodies to boot!