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The game is great. Though graphics (especially ground and walls in the first level) are between PS2 and PS3, I don't really care about it.
The only thing I didn't liked was an ending, which is...

Knight's Contract
Mirror's Edge (I wonder if second is on the way...)

I have beaten Nier Gestalt and opened all four endings (too bad saves were deleted in the process of viewing the last ending). Awesome game with many sad moments.