The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
User reviews:
Overwhelmingly Positive (1,060 reviews) - 97% of the 1,060 user reviews in the last 30 days are positive.
Overwhelmingly Positive (72,664 reviews) - 98% of the 72,664 user reviews for this game are positive.
Release Date: Apr 18, 2011

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Recommended By Curators

"A challenging, hilarious, and mind-expanding puzzle experience for one or two—treasure your first time through."
Read the full review here.

About This Game

Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following.

The single-player portion of Portal 2 introduces a cast of dynamic new characters, a host of fresh puzzle elements, and a much larger set of devious test chambers. Players will explore never-before-seen areas of the Aperture Science Labs and be reunited with GLaDOS, the occasionally murderous computer companion who guided them through the original game.

The game’s two-player cooperative mode features its own entirely separate campaign with a unique story, test chambers, and two new player characters. This new mode forces players to reconsider everything they thought they knew about portals. Success will require them to not just act cooperatively, but to think cooperatively.

Product Features
  • Extensive single player: Featuring next generation gameplay and a wildly-engrossing story.
  • Complete two-person co-op: Multiplayer game featuring its own dedicated story, characters, and gameplay.
  • Advanced physics: Allows for the creation of a whole new range of interesting challenges, producing a much larger but not harder game.
  • Original music.
  • Massive sequel: The original Portal was named 2007's Game of the Year by over 30 publications worldwide.
  • Editing Tools: Portal 2 editing tools will be included.

System Requirements

Mac OS X
SteamOS + Linux
    • OS: Windows 7 / Vista / XP
    • Processor: 3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher)
    • Memory: 2 GB RAM
    • Graphics: Video card must be 128 MB or more and with support for Pixel Shader 2.0b (ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher).
    • DirectX: Version 9.0c
    • Storage: 8 GB available space
    • Sound Card: DirectX 9.0c compatible
    • OS: MAC OS X 10.6.7 or higher
    • Processor: Intel Core Duo Processor (2GHz or better)
    • Memory: 2 GB RAM
    • Graphics: ATI Radeon 2400 or higher / NVIDIA 8600M or higher / Intel HD Graphics 3000
    • Storage: 8 GB available space
    • OS: Ubuntu 12.04
    • Processor: Dual core from Intel or AMD at 2.8 GHz
    • Memory: 2 GB RAM
    • Graphics: nVidia GeForce 8600/9600GT, ATI/AMD Radeon HD2600/3600 (Graphic Drivers: nVidia 310, AMD 12.11), OpenGL 2.1
    • Storage: 8 GB available space
    • Sound Card: OpenAL Compatible Sound Card
Customer reviews
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Overwhelmingly Positive (1,060 reviews)
Overwhelmingly Positive (72,664 reviews)
Recently Posted
20.5 hrs
Posted: August 24
This is by far the most breathtaking game I have ever played.
Helpful? Yes No Funny
49.8 hrs
Posted: August 24
always remember to keep your wheatley on a leash at all times...until he betrays you
Helpful? Yes No Funny
such and and
13.7 hrs
Posted: August 24
+rep great game and fast campaign
Helpful? Yes No Funny
2.7 hrs
Posted: August 24
Idk why let me write a review for this I played it on my console...smh
Helpful? Yes No Funny
32.3 hrs
Posted: August 24
Bestest game ever.
Helpful? Yes No Funny
6.3 hrs
Posted: August 24
Product received for free
If I were to say something, which I am, BEST PUZZEL GAME EVER!!!!!
Helpful? Yes No Funny
0.2 hrs
Posted: August 24
Helpful? Yes No Funny
3.8 hrs
Posted: August 24
like portal 1 but ♥♥♥♥ and gay
Helpful? Yes No Funny
[PadBri] InsertNameHere
157.5 hrs
Posted: August 23
Portal 2 is a game of solving puzzles like the first game. The soundtrack to this game is perfect for this type of game. I believe I have completed the singleplayer 8 or 9 times and the co-op twice since I bought it back in 2012. Yes it is 5 years old but don't just take my word for it, Metacritic gave it 95 out of 100 and PC Gamer thought highly of it too so this is a great game. If I had to give this game a score, I would go with Metacritic's score of 95/100! Great job Valve!

- [PAD BRI] InsertNameHere
Helpful? Yes No Funny
92.0 hrs
Posted: August 23
This game has awesome graphics, great humor, and an amazing backstory. What else could you want from a game? And don't think that, like portal 1, it doesn't have a multiplayer aspect. Cooperative testchambers give you all of that and more! The ending is a bit sad though.
Helpful? Yes No Funny
Most Helpful Reviews  In the past 30 days
32 of 35 people (91%) found this review helpful
5 people found this review funny
47.7 hrs on record
Posted: July 26
This game is an experience I think every gamer should live.
Was this review helpful? Yes No Funny
34 of 48 people (71%) found this review helpful
12 people found this review funny
102.6 hrs on record
Posted: July 27
come on where is portal 3!!!!!!!!!!!!!!!!!!!!!!!!!!!! plz valve
Was this review helpful? Yes No Funny
18 of 21 people (86%) found this review helpful
1 person found this review funny
14.1 hrs on record
Posted: July 30
Portal was amazing but portal 2... a masterpiece.
Was this review helpful? Yes No Funny
19 of 24 people (79%) found this review helpful
32 people found this review funny
24.9 hrs on record
Posted: August 5
apparently i haven't written a review on this great game
so i will do now

- science
- science
- science
- space
- white gel

- gel is not edible
- space becomes reality and u almost are kil
- fuc wheatley
- space
Was this review helpful? Yes No Funny
10 of 12 people (83%) found this review helpful
77.1 hrs on record
Posted: August 15
In Short -

Portal 2 is one of Valve's most recent titles, and is very well made, I think we can all agree. It is the sequel to the critically aclaimed game 'Portal'. Now, Portal has become so popular that I don't believe I need to explain the game's mechanics; it is such a simple concept and yet has been parodied and explained 100s of times across the Internet. Portal 2 expands on why we all loved Portal, with new mechanics, new story, new characters and new settings. The game keeps it's original mix of difficulty and ease to make a title that you can play in almost every mood. Portal 2 has so much replay-ability, that I've played the game 77 hours; beating the single player campaign three times and the Co-Op campaign twice, gaining every achievement. And not once did I get bored of playing, not once did I think 'this is getting boring', as quite a few games would make you feel after 77 hours.

More In Depth -

Portal 2 starts out waking the player up an unknown amount of time since the last game. The announcer even breaks, from saying so many '9's, of time that you've been there. After a fairly slow start, you get thrown into testing almost immedietly. Although I'd like to ignore the story for the sake of the review, it helps keep the flow of the game. The story puts together reasons to add new mechanics, instead of just slapping them in and hoping fans overlook it. The game makes sure to keep it's ties to Half-Life in secrets hidden around too, which I find really interesting.

Portal 2 does even better than the original game at keeping it puzzle centered. It keeps itself faithful to what Portal built, and made tests that require quick thinking like an action game, as well as thought out and intricate thinking like a puzzle game. Not once does the game hand the player a weapon, which I feel is a good thing. Portal is like Half-Life's puzzle counterpart. You go to HL for action, and Portal for puzzles, which I really like.


Portal 2's Singleplayer mode carries on the story from Portal, as I said. We are given a ton of new tests, with new mechanics such as mobility gels, light surfaces, excursion funnels, but keeping Portal's mechanics such as flinging, momentum and turrets, occasionally mixing them together to make a game worth the label 'created by Valve'. Our original only characters, Chell, GLaDOS and the Companion Cube are brought back in Portal 2, each as main characters, still, while bringing on a new main character, Wheatly. His character was made very well, with the perfect voice actor for his lines, the perfect lines for his voice actor, a hilarious personality and more. He was even added into Team Fortress 2 as the Ap-Sap (my favourite sapper). All in all, Portal 2's singleplayer is definitely fun to experience. It's something you can sit down and play in the evening and feel relaxed. A mug of tea, a warm blanket, and some puzzles.


Now, I think I should probably preface this with a disclaimer; I don't dislike Portal 2's Co-Op. I've played it with three friends, and gotten every achievement for it (thank you Ambiticus, Roger and Sammy for helping me with all the achievements :3)

I felt, personally, that Co-Op was very shoved in your face and rushed, unfortunately. After how much I enjoyed Portal, when I bought Portal 2 I was hoping for something very similar; more story, more challenges and more of my favourite characters. And, although there are those things, there could be more if it wasn't for Co-Op. We are given two, barely distinguishable robots with 'personalities' that are really just a couple forced quirks given to them. The puzzle aspect is good, they use the two players to make puzzles impossible without teamwork, and, obviously, four portals, getting you across new distances otherwise impossible with one portal gun. However, this is just brought down by the rest of it. GLaDOS is written completely different to how she usually is. Instead of a passive-agressive AI, she is clearly just agressive, which really makes no sense. One of the best things about GLaDOS is that she is terribly passive-agressive, and for whatever reason, in Co-Op that is all just flung off the table, and instead we have a new GLaDOS; one that is just plain agressive, messing with the robots' friendship by saying different things to eachother, exploding them at the end of each course, and generally just being mean. This doesn't fit her at all, and it makes me almost sad to see how they did this.

PROs 'n' CONs

PROs -
  • Both single player and two player gameplay.
  • A level creator, connected to the Steam Workshop, so you can make your own puzzles.
  • Many achievements, to leave an achievement hunter with a lot of work to do. These achievements span across single and multiplayer.
  • Gameplay faithful to the original Portal.
  • Although the above statement is true, they still seamlessly add in new mechanics to enhance the gameplay.
  • A fairly big game. Playing through singleplayer and multiplayer without achievement hunting was probably almost half of my time in this game.
  • Fun, lovable characters, that are easy to get used to.

CONs -
  • Co-Op, although the gameplay is fine, is very rushed in nearly every other aspect. The characters don't have personalities, although Valve obviously meant for them to, GLaDOS isn't normal, there is very little continuity, and- Honestly, I could go on, but a rant isn't what I'm here for.
  • I have to say, honestly, that Portal 2's ending song, Want you Gone, will NEVER be as good as Portal's, Still Alive.
  • I like to have subtitles on, in case I miss a line of dialog, and there were multiple times in which the words and subtitles did not match at all. Words, even sentences would be off.
  • The developer commentary just wasn't that great, compared to Half-Life 2 or Portal.

    Final words

    Portal 2 definitely has good and bad aspects. It is a fun game in many ways, yet I believe it just wasn't finished. It had potential, and while most of it was met, it just isn't all there. I'd recommend the game, but I hope that Portal 3, whatever form it takes, will be better.
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9 of 11 people (82%) found this review helpful
14.2 hrs on record
Posted: July 31
Awesome game, even better than the first which is quite an accomplishment. It's still Portal but better with more story and more puzzles. Really wish we will see a 3rd title in the series because there are still a lot to explore!
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6 of 6 people (100%) found this review helpful
12.7 hrs on record
Posted: August 2
Portal 2 is a truely unique puzzle action game which makes great use of a portal gun that can form two seperate portals which would allow the player to traverse the levels.

A great sequel to the original Portal game, Portal 2 is a much longer game which features much more complex puzzles and introduces lovable new characters. The voice acting and dialogue in this game is amazingly entertaining and funny, I found myself chuckling multiple time during the game due to the character dialogues! The level design in this game is also great as there were some levels which left me stumped for quite awhile and it took me quite alot of brain power to solve them and that gave me a great feeling after doing so!

This game features a co-operative mode which allows players to play with people in your friend list or complete strangers through match-making. There are some form of customization options such as hats in the co-operative mode that can be unlocked through completing the game. There was supposed to be more customization options available in a shop but it has since been discontinued. Trading is also unavailable which is pretty unfortunate as it would be great for players to exchange or sell cosmetics.

There is also a level creation tool in this game which allow players to create their own Portal 2 levels and share it online with others by uploading it to the workshop! Several interesting extra content includes a portal 2 comic which serves as a prequel to the game and a super 8 (a pretty old movie by now) interactive game demo.

Overall, Portal 2 is a very entertaining game with great puzzles, characters and voice acting. I would give it a 9/10! A must buy if you enjoy action puzzle games!
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5 of 5 people (100%) found this review helpful
90.3 hrs on record
Posted: August 11
Portal 2, the sequel to the original masterpiece that the whole Valve community loved. This one is better.

I am going to give it some Pros and Cons:

-Longer story than the original Portal
-Jump height increased a little
-Better graphics
-The Cooperative Testing Initiative
-Replaying the tests from the original Portal
-New designs for the Cores, GLaDOS, The Turrets and more
-Fun stuff in the game (Serious injuries may occur -GLaDOS)
-Great Easter Eggs

-Defective Turrets
-A line for Caroline being unused
-"Don't Say Goodbye" being unused

I really really really REALLY love this game and I highly recommend playing it! :)

Thank you for reading,

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8 of 11 people (73%) found this review helpful
10 people found this review funny
5 of 6 people (83%) found this review helpful
27.0 hrs on record
Posted: August 20
Challenging puzzles, top notch characters and story, INSANE soundtrack and on top of that you have one of the best co-op you will ever experience. Not playing this game is a sacrilege against videogames gods.
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