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Generally favorable reviews- based on 9 Ratings

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  • Summary: In "Peer Review", you and a friend will continue the story of loyal bots P-Body and Atlas as you puzzle your way through a mysterious new co-op test track and once again match wits with GLaDOS. The DLC also features a single player and co-op Challenge Mode, and leaderboards to compare Challenge Mode scores with friends and the Portal community. Expand
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Score distribution:
  1. Positive: 5 out of 5
  2. Mixed: 0 out of 5
  3. Negative: 0 out of 5
  1. Nov 10, 2011
    Love it!!! Has some great new maps to solve. Brings a nice chalenge and it's a lot of fun! Really well done. And it freeeeee!!!!! Cant go wrong there!
  2. Oct 5, 2011
    It picks up where the co-op left off. Great multiplayer maps that are challenging and really require team effort. Challenge mode is a little bit disappointing as it is just a timer and portal counter, but hey it's free. Solid add-on with a great and hilarious ending. Expand
  3. Oct 13, 2011
    Some good DLC to an already fantastic game. Have not gotten to the new multiplayer tests but I will Probably like them. The challenge mode needs a bit of tidying up. The graphics are a bit rough around the edges if you know what I mean! Expand
  4. Feb 3, 2012
    Makes sense to me making this since the original Portal had all this challenge modes and making it free is just great since if it costed it would have had a much lower score. It is a great DLC and most importantly it has replay value, I always retired and played so I could beat my friends, it was great. This is addictive though if you have already finished the game it feels like you are playing this over and over which is the only downside. Since it's free I can easily recommend you to get it since its not much space and its worth your time. Expand
  5. Jan 18, 2013
    While the leader-boards feel like something that should have been there from the start, the new Co-op levels are just as well made as the rest of the game even if the additional story isn't on par with the base game. Expand