A Critical Hit!: " Launching a new IP can be a difficult prospect when the field is dominated by annual sequels, so playing up a connection to a well-loved Valve series is a smart way to get people’s attention. But this blessing can just as easily become a curse, because comparisons to a Valve game will inevitably lead to the game being held to the same standard of perfection as a Valve game.
Does it measure up? Or will Portal fans be disappointed once they discover partway through that this physics puzzler is actually a first person platformer in disguise?"