Portal 2 “Peer review” Review

Posted: October 10, 2011 by Tony Polanco in REVIEWS

The first dlc for Portal 2 “Peer review” has finally arrived to give us more of that sweet Portal-y goodness that we all love. Does it match the quality of Portal 2 proper?

The main course on this free dlc is a brand spanking new co-op mission for you and a friend to run through. There is apparently an intruder inside of Aperture Science and our old demented A.I friend GLaDOS sends robots Atlas and Peabody out to stop this “person”. Of course this entails the two robots going through nine new test chambers before finally confronting the being that troubles GLaDOS so. The puzzles found within contain all the elements from previous co-op test chambers and are just as challenging as ever. If you haven’t played Portal 2 in a while these challenges will remind you why the game is so great and why it’s easily one of the best of 2011.

Unfortunately not all is rosy in Aperture Science world. The other new additions on this dlc are competitive challenges which amount to nothing more than you beating your own or your friend’s time in completing single player or co-op rooms. These aren’t new rooms mind you but the same test chambers from the game. Some people may like this stuff but it feels a bit off for Portal to have competitive modes. Worse still is the fact that there are no additional trophies on this dlc. Don’t get me wrong Portal 2 is so fantastic that it could probably do without trophy support but it would have been nice to at least have gotten some new trophies to earn. Portal 2 had some really fun trophies and I was expecting a few more of them here.

This dlc is a no-brainer. It expands on an incredible game AND it’s free. The co-op challenge is brief and clocks in at about 2-3 hours but again, it’s free and you can’t really complain about that. If you have Portal 2 then get together with a friend and play “Peer review”. GLaDOS needs you!


  • Challenging but well thought out puzzles
  • GLaDOS’ paranoia
  • It’s more Portal 2 to play.


  • Competitive challenges were unnecessary
  • No trophies
No official “Peer review” trailer was ever made so here’s the original co-op trailer
Portal 2  “Peer review” was developed and published by Valve. It was released on the Playstation network, Xbox Live and Steam and is available now for free. The copy played for this review was downloaded from the Playstation network.

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