Free “Portal 2: Peer Review” DLC Arrives Today, Adding More Co-Op and Challenge Mode


Portal 2 hit stores back in April, but Valve is already releasing the first set of DLC content for the smash-hit game — and it’s free! Valve recently announced that they would be releasing Portal 2: Peer Review as an add-on to the ship version of the game and it hit digital markets today. Peer Review is available for PC, Xbox 360, and PS3.

Peer Review adds a bit more to the co-op version of the game, extending the story of our favorite robots — Atlas, Peabody, and GLaDOS. Let’s hope there’s an interesting story to follow-up on the huge revelation made during the ending cinematic of the Portal 2 co-op.

Peer Review will also add the much-anticipated challenge modes to both the single-player campaign and the multi-player co-op. Original Portal gamers will remember the challenge mode added to Portal, which offered a way for players to gauge their performance through the various test chambers. Peer Review also adds a multiplayer leaderboard, which will allow players to compare their stats with their friends and the Portal community.

The only disappointment? Lack of singleplayer content. Don’t get us wrong — we aren’t trying to complain here; Valve is doing us a huge favor by releasing this DLC for free (which many other companies wouldn’t even consider), and the additions and expansions are fantastic. We just love the Portal and Portal 2 storyline and would love to see some more added on at some point. Valve hasn’t ruled out the possibility of more DLC (free or pay) for Portal 2 down the line, so this could still happen. We’ll keep our fingers crossed.

Portal 2: Peer Review is available now. Happy gaming!


About Author

Mike Macauley is the founder and editor in chief of He also founded and runs, the official Inheritance Cycle community, and published his book, The Inheritance Almanac, in 2011. Mike can be found on Twitter at @mikemacauley.

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