Few video games are as synonymous with Valve as Portal. Back in 2007, the unassuming teleportation-based first-person puzzle shooter was presented front-and-center with The Orange Box collection and quickly ran away with the spotlight.
Due in part to its amazing level design and mind-bending puzzles, Portal is a phenomenon of its own, one of the most popular titles to ever hit PC. Now, after selling millions of units, Portal arrives on a brand-new platform: NVIDIA SHIELD.
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