Portal 2 Steam Key is a specific combination of 15 numbers and letters that certifies that the copy of the game is original. Redeem the key on your Steam client to download Portal 2. Enjoy the best deals for Portal 2 with validsteamkeys.com
Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following.
The single-player portion of Portal 2 introduces a cast of dynamic new characters, a host of fresh puzzle elements, and a much larger set of devious test chambers. Players will explore never-before-seen areas of the Aperture Science Labs and be reunited with GLaDOS, the occasionally murderous computer companion who guided them through the original game.
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