Ah, Portal 2. While the allure of its mind-bending puzzles, and the witty, malevolent charm of its antagonists may be evergreen, it wouldn't hurt to have some new levels to play through once in a ...

After debuting all the way back in April 2011, not to mention racking up Game of the Year awards around the industry, Valve recently gave players a reason to return to their testing chamber for more ...

Valve announced today that Portal 2's in-game puzzle maker will be called "Perpetual Testing Initiative," and will be available free on May 8 for PC and Mac. The DLC will be capable of publishing ...

Lego has been doing some impressive work with crossovers in the past several years, notably with its lines of Star Wars and Minecraft themed sets. Now, a pair of amateur Lego designers is seeking ...

As promised, Portal 2's "Perpetual Testing Initiative" DLC is now available for everyone that owns the game on Steam. This is a "simplified puzzle maker" that allows players to create, share, and play ...

Valve's first-person puzzler Portal 2 has received a significant update today. For months, players on PC and Mac have been able to create their own puzzles through the "Perpetual Testing Initiative." ...

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All the Latest Game Footage and Images from Portal: Forever Testing Portal: Forever Testing Is a Fan-created Modification for Valve Software's Portal 2, containing various custom-built levels for the ...

In anticipation of Portal 2, the masters of all things nerdy, Think Geek, have produced this new officially licensed and officially awesome Portal 'Test Candidate' Hoodie. Emblazoned with the iconic ...