Portal 2: Desolation is giving the classic puzzle game a huge graphics overhaul

Portal 2: Desolation is a fan project that's currently in development, a whole new singleplayer campaign in the Portal setting. It's basically a community-made Portal 3, or at least Portal 2.5, being made "in tribute to Valve's Iconic series", as Emberspark Games puts it. The developers have spent the last year getting Desolation's graphics to look slick, which has meant totally replacing the Source Engine's rendering and lighting pipeline...
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