Review: Shacknews
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As the only part of Valve's Orange Box package that isn't a proper sequel or expansion, Portal can be played without any prior knowledge of the Half-Life series. That's a plus in the sense that it makes this portion of the box more accessible to a general audience, as the title is without a doubt the most interesting take on the puzzle genre in years. It's essentially a combat-free game--having been spawned by a now Valve-employed team at DigiPen, which mandates its students game be nonviolent--though it features the first-person view and play mechanics most commonly associated with shooters. There are a few tweaks; weapons are replaced with the titular portal "gun," and levels require careful thought rather than twitch reactions. Perhaps most impressive for a puzzle game, Portal actually features a substantial narrative of skillfully subtle execution.