Portal 2 Puzzle Maker DLC of the Day

DLC,level editor,perpetual testing initiative,Portal,portal 2,valve,video games
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The twisted geniuses at Aperture Science Valve have announced plans to release an easy-to-use Portal 2 puzzle editor, called Perpetual Testing Initiative, that will allow players to create, play and share Portal 2 levels without leaving the game.

Player-created puzzles can be published to the Steam W

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