Valve has provided the press with a preview release of the upcoming Portal 2 downloadable content, the Perpetual Testing Initiative. This DLC provides all players with the easy to use tool set that lets them build their own test chambers and share them with this and other worlds.
First up in a short series of videos is a look at just how easy it is to play these custom maps, add them to your queue, and special surprises from Cave Johnson himself.
First up in a short series of videos is a look at just how easy it is to play these custom maps, add them to your queue, and special surprises from Cave Johnson himself.
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