Valve, creators of the game franchises such as Half-Life and Counter-Strike, just launched a free Portal 2 DLC titled “Perpetual Testing Initiative” for the PC and Mac.

The “Perpetual Testing Initiative” allows players to easily create, share, and play Portal 2 puzzles. The Initiative comes with a simplified puzzle maker that allows that creation of mind-bending puzzles without ever leaving the game.

The puzzle maker can directly publish maps to the  Steam Workshop where users can browse, vote on, and select to play them. Selected puzzles will automatically be downloaded and installed inside Portal 2.

Portal 2 holds a Metacritic score of 95% and is a hilariously mind-bending adventure that challenges you to use wits over weaponry in a funhouse of diabolical science. Using a highly experimental portal device, you’ll once again face off against a lethally inventive, power-mad A.I. named GLaDOS. And this time you won’t be alone…

Fallow this link to buy Portal 2

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Valve, creators of best-selling game franchises (such as Half-Life, Left 4 Dead, Team Fortress, and Counter-Strike), just announced that the second game add-on for Portal 2 is in development and targeted for release early next year.

The major update will feature an easy-to-use in-game map editor that will let users design, build and share their own single-player and co-op test chambers with the community, who will be able to view, play and vote on them with a simple click.

Portal 2 was released April 19, and currently holds a Metacritic score of 95%, making it one of the top-rated multiplatform game of 2011. Its first content update, “Peer Review”, came out two weeks ago. Peer Review is a free DLC which comes with an all-new co-op adventure starring Atlas, P-Body and GLaDOS and takes takes place after the events of Portal 2. You and your co-op science partner are once again awoken and assembled for a dangerous new mission.

Let’s take a look a trailer showcasing the Cooperative aspect of the game…

A hilariously mind-bending adventure that challenges you to use wits over weaponry in a funhouse of diabolical science, Portal 2 features expansive single and cooperative multiplayer game modes.

For more information on Portal 2 and its downloadable content, please take a look here. Source http://www.thinkwithportals.com

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