IGN: Portal 2 - Valve's Storytelling Secrets

You know Valve's distinctive traits; they make games that are not only action-packed and technically brilliant, but have smart-ass dialogue and subtle stories. Portal was their peak, so far; a clever, witty game that told a memorable tale using just one spoken character and their unfurling psyche. IGN caught up with two of Valve's writers, Chet Faliszek and Erik Wolpaw, to talk about how they'd crafted the story for the bigger budget sequel.

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