I have absolutely no idea why this game gets all the raving reviews. First of all (and don't let anyone tell you otherwise) : this is a platformer, albeit with a couple of twists. Everyone who is looking for a puzzle game genre The Room series, look away now. So, you will need to do nanotimed jumps & restart levels a lot. Sure, you can rewind time but you will find that the game will deliberately frustrate you by letting some things not go back in time. The level of frustration was so high for me that I absolutely couldn't care less about the story. I ultimately watched the ending on YouTube because even with a video walkthrough some of the last levels were too annoying for me (and that has very seldom happened). Philosophical? nope, as one other reviewer stated : pretentious (and boring to be honest). Steer clear of this one if you like a good puzzle game. If you really want platformers that have great mechanics : try Limbo or Inside. I gave one star for the artwork (which was nice in 2008).