The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
User reviews:
Overwhelmingly Positive (1,330 reviews) - 98% of the 1,330 user reviews in the last 30 days are positive.
Overwhelmingly Positive (69,488 reviews) - 98% of the 69,488 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 (1,330 reviews)
Overwhelmingly Positive (69,488 reviews)
Recently Posted
shrek is the mlg god
( 0.8 hrs on record )
Posted: June 24
this game is so mlg that i cried
Helpful? Yes No Funny
( 25.7 hrs on record )
Posted: June 24
this is a great game with humour and a great story. i recommend this to puzzlers and people who enjoy a story.
Helpful? Yes No Funny
( 0.8 hrs on record )
Posted: June 24
Must buy for anyone on Steam.
Helpful? Yes No Funny
( 33.6 hrs on record )
Posted: June 24
Everything a video game should be.
Helpful? Yes No Funny
( 52.3 hrs on record )
Posted: June 24
fps puzzel game

Helpful? Yes No Funny
( 1.8 hrs on record )
Posted: June 24
Another great game to pick up for you steam summer sale shopping
Rating: 10/10
- Good storying line/telling
- Great puzzles
Helpful? Yes No Funny
( 51.3 hrs on record )
Posted: June 24
This game is..well.. a game :3 ps:there is still no cake ;-;
Helpful? Yes No Funny
( 10.4 hrs on record )
Posted: June 24
Fun Co-op game that I can play with my 9yr old son.
Helpful? Yes No Funny
( 2.8 hrs on record )
Posted: June 24
I generally dislike puzzle games but this was a blast to play co-op
Helpful? Yes No Funny
( 1.7 hrs on record )
Posted: June 24
Absolutely Brilliant. One of my favorite games ever.
Helpful? Yes No Funny
Most Helpful Reviews  In the past 30 days
77 of 87 people (89%) found this review helpful
7 people found this review funny
35.9 hrs on record
Posted: June 11
(Full review follows below)

  • Game Name: Portal 2
  • Original Release: 2011
  • Genre Tags: Innovative; Puzzle; Sci-Fi; Action; Funny
  • My Overall Grade: A+
  • Estimated Playtime (Campaign): 3-6 hours
  • Multiplayer Aspect: Optional and Auxiliary
  • Recommended To: Established fans of the genre; Those intrigued by the genre; Novelty seekers; Casual gamers; Multiplayer gamers

Portal 2 takes everything that was done right in the first game and injects it with steroids. It boasts a longer, more diverse campaign that still manages to hold on to the humor, atmosphere, and overall quality that made the original so enjoyable. It also boasts a new cooperative mode, which brings the experience to a new level. And to top it off, with Steam Workshop integration, the possibilities for new content become limitless.

In the campaign, all of the strengths from the first game return and are fine-tuned to perfection. The puzzles are more diverse and interesting, with more advanced mechanics introduced. The atmosphere is even more fleshed out and enticing. The dialogue is even more hilarious and entertaining. And to top it all off, the game is about twice as long.

After that, there is also an incredibly well designed cooperative mode, complete with its own characters and puzzles. This adds what is effectively another whole game to the mix, which is a very welcome addition.

And to top it all off, with the Steam Workshop integration, there is endless possibilities for new puzzle rooms in both single-player and cooperative modes. Not all of it is great, of course, but some of it is arguably better than the real game. It is a gift that just keeps on giving.

With the gameplay being so intuitive and enjoyable, and the limitless possibilities of the Workshop, Portal 2 rockets to the clouds as a deity among video games. It is hands-down one of the absolute best games in existence. If you haven’t yet tried it, now is the time. There are hours of entertainment waiting for you.

Follow my curation page to see more of my recommendations!
Was this review helpful? Yes No Funny
56 of 66 people (85%) found this review helpful
49 people found this review funny
33.2 hrs on record
Posted: June 3
when life gives yoǘ̻̬͓͎̣̟̩̦͢ ͪ̂̀̆҉̳̘̝̺̀l͇̬̹̞̻̥͕̥̗̒̎ͩ̋ͥ͆e͙̭̭̠̣̠̊́ͩ̂̓̀ṃ̛̍̂͛̈̏o̠̪̪ͤ͗͘n̵͉̣ͭͧ̿ͧ͛̀s̷̠͑ͬͫͦ̅͡ ̸͐ͤ͘҉̦̺M̰̹͙͇ͮ̉ͫͅȦ̻̔̅̇̑ͭ͛͋͘K̠̻̫̤̇̀ͥE͂ͪ͏̱̤͚͕ ̞͔̜̬̑ͯ͑͢ͅŞ͔̦̩̳̣̖ͮ͊ͨA͈̓͂̈́̀̀̚͘C̡̠̟͉ͪ͆̔ͤ͂ͪR̬͙͕ͪ̀͠Ĩ̵̖͚̑̊̓́F͎͕̄Iͬͧ̀̂̑ͪ͟͏̴̪̤ͅC̢̰̝͓̗͛ͬ̔̍̓́́̚̚Ḙ̶̠̰̳̩̳̊ͭͮ̇̇̚̕S̻͖̣̰̒̈͟
Was this review helpful? Yes No Funny
16 of 22 people (73%) found this review helpful
2 people found this review funny
62.5 hrs on record
Posted: June 3
This review assumes you already own and have completed the first Portal, my review of which can be read here.

Game: Portal 2
Developer and publisher: Valve Software
Released: 19 April, 2011
Genre: First-Person Puzzler with Comedy
Setting: "At least 50,000 years" after Portal 1, Aperture Science Enrichment Center, Upper Michigan, U.S.A., Earth
Spoiler-free plot summary: After the events of the first Portal, you, Chell, find yourself awakening in the mysterious science facility once again. However, at least 50,000 years have passed since you were last conscious, and the facility is now in ruins. Your only hope of escaping it once and for all is to put all of your faith in one of the incompetent robots built to maintain the facility, Wheatley, who also wants to escape.

Full review: Portal 2 is a far superior game than its predecessor. Being a fully fledged game with a unique story, unique humor, new game mechanics, and new environments, Portal 2 makes Portal 1 look like a tech demo.

Portal 2 can take several hours to complete; not just because the game is longer in general, but because the tests are far more varied than Portal 1's, and require longer thought and planning.

There are several new mechanics introduced in Portal 2, such as the Thermal Discouragement Beam which replaces the High Energy Pellet seen in Portal 1, but shares the same basic concept of directing the projectile into its respective "catcher", and Mobility Gels which can either make you jump higher or run faster. When all mixed together, these can make several of the later test chambers far more difficult than the previous ones, which means having to think outside the box (sometimes almost literally). At first, these chambers might seem too hard or impossible to complete, but once you've worked out the solution, the "Aaaaah!" moment makes the struggle (and perhaps frustration) very much worth it.

Unlike Portal 1, Portal 2 doesn't have any advanced or challenge map packs; instead, Portal 2 has a challenge mode, which is a combination of the least portals created and least time taken challenges in the Portal 1 challenge map pack. Also, instead of having just six chambers to be challenged on, you have every single chamber in the main campaign to be challenged on! An online leaderboard is also included in this game mode for those who want to compete with friends.

A new game mode introduced in Portal 2 is the map maker. In a parallel universe, founder and CEO of Aperture Science, Cave Johnson, has developed a multiverse device which can send test subjects into other parallel universes, who can test, and steal, that parallel universe's test chambers. These test chambers are the player-made ones you can download and play from the Steam Workshop. With the right know-how, you can make your own test chambers and upload them onto the Workshop for others to download and play.

Another new game mode introduced is the co-op campaign. Set a few weeks after the events of the single-player campaign, two robots GLaDOS has created (you and a buddy) are tasked with solving tests which are used to train you for upcoming missions GLaDOS has planned. This game mode also includes its own online leaderboard and can also have maps made and uploaded to the Steam Workshop.

As said before, the story and humor of Portal 2 are unique. There are several twists that make you sit on the edge of your seat, and the humor, being incredibly dark, can make you laugh your ♥♥♥ off, and make you feel uneasy, or even guilty about it. There are several new environments introduced that weren't seen in Portal 1, such as the behind-the-scenes areas of the test chambers, and the ruins of 20th Century Aperture. And although there is less of a mystery aspect to Portal 2 compared to Portal 1, those with a good eye (and ears) can still find some things you'd find out-of-place, even in Aperture Science.

This game is, no doubt, one of the best games ever made. Do I recommend buying Portal 2? Of course I do! Especially if you like puzzles, or humor, or video-games, or not breathing neurotoxin. For NZD$23.99, I'd wait for a sale for when this game is $17 - $20 before buying it.
Was this review helpful? Yes No Funny
13 of 18 people (72%) found this review helpful
3 people found this review funny
17.2 hrs on record
Posted: June 11
Portal 2 * 10/10

Sequels often suck. NOT THIS TIME!!!!

Portal 2, as a direct sequel, doesn' change much in the base formula, so the game is still based on a more polished version of the Source Engine, is still a First Person Puzzle game but adds a lot of innovations and elements that grant this sequel the status of "Epic".

After the end of the first Portal Wwe're once again in the Aperture Science Labs, but we're in a different facility and the first thing that can be noticed is that the structures decay and some vocal messages hint that an indefinite but consistent amount of years have passed, and thanks to a Personality Core named Wheatley we try to escape the falling facility. Unfortunately We'll have to pass through the remains of GLaDos, causing her awakening and forcing us to become again Her Guinea Pig. You think this is a spoiler? FOOLS! From here the game will show it's improvement as there actually is a HUGE story plot, with plot twists and revelations that will amaze you room by room making you eager to finish the game to see the end and forgetting I've ever revealed you that (predictable) detail.

The innovations won't stop with just a (GREAT) plot, but the gameplay is incredibly improved as well. You won't have to deal with just portal related riddles, but you will face gels and funnels, where blue gel will make you bounce high, orange will accelerate your walking speed, white will allow you to spawn portal on every tainted surface and funnels are transport streams that will make you float in their direction the moment you cross them. You can't even imagine the combinations of all these elements, no to mention the events in the story.

Level design is improved far beyond the first chapter's standards. There will always be minimalistic design test chambers, but we'll have to walk beyond interspaces, factories, dismantled rooms, and immense areas that will make you wonder how big is this Aperture Science supposed to be. You will end up digging so much that you will end up in one of the very first sections of Aperture Science realized at the time of its founder Cave Johnson.

And here comes another aspect of Portal 2. They went so far with the game that hired English (obviously) Writer and actor Stephen Merchant to voice Wheatley and American (obviously) Actor J.K. Simmons to Voice the 'Murican Cave Johnson... And their accent and characterization is definitely great.

Soundtrack is a greatly appreciated news this time because even though it is subtle and thin during most of the gameplay it has some dynamics so you'll hear little flashes of melody when you're solving parts of puzzles, but most importantly there are more studied melodies especially during scenes or scripts.

The last improvement is the other section of the game... Because portal 2 has a single player campaign... AND a Cooperative campaign. We can invite a friend to play via internet and solve 6 sets of chambers precisely studied for cooperative gameplay.

  • STORY. Unbelievable, but portal 2 has a great story showing you the origins of the Aperture Science Labs, GLADos and more, and it somehow has little links to Half-Life 2 as well! Great Final, totally love it.
  • CHARACTERS. This time there are more characters, besides GLADos. All her sarcasm always makes me laugh as well as Wheatley's stupidity, and Cave Johnson's 'murican attitude.
  • GAMEPLAY. In Portal you use portals. In portal 2 you have Gels, Funnels and the hallucinating combination of these 3.
  • COOP CAMPAIGN. Great Coop campaign, perfect game to play with a friend.
  • SOUNDTRACK. Seriously this game has a very nice electronic soundtrack, this was unexpected.
  • LENGTH. This time the Single player campaign lasts significantly more compared to Portal and the Cooperative campaign is quite consistent as well, but I still believe they could have lasted a bit more... MOAR!!
  • SEQUEL. I've completely lost hope for a third chapter for Both Portal And Half-Life...
Was this review helpful? Yes No Funny
14 of 20 people (70%) found this review helpful
3 people found this review funny
9.4 hrs on record
Posted: May 30
Product received for free
A very fun game, and even more fun on co-op! :D
Was this review helpful? Yes No Funny
6 of 6 people (100%) found this review helpful
1 person found this review funny
5.8 hrs on record
Posted: June 23
In my opinion, one of the best games Valve ever created. it's worth it to buy and play.
Was this review helpful? Yes No Funny
4 of 4 people (100%) found this review helpful
1 person found this review funny
13.2 hrs on record
Posted: June 21
Best comedy in a game, and one of the best puzzle game, really well planned, but lacks the WHOAH value of the first installment... this game i recommend... god it is...
Was this review helpful? Yes No Funny
5 of 6 people (83%) found this review helpful
4 people found this review funny
16.7 hrs on record
Posted: June 22
Portal 2 improves on what Valve did in Portal. This time around story is a major focus, alongside improved gameplay and new mechanics to help you solve the puzzles and make it out alive. There's also co-op, it's fun and community created test rooms to extend your playtime!

The cake is still a lie, though.
Was this review helpful? Yes No Funny
3 of 3 people (100%) found this review helpful
13.7 hrs on record
Posted: June 23
Fun as hell with a friend to play in 2p <3
Was this review helpful? Yes No Funny
5 of 7 people (71%) found this review helpful
39.4 hrs on record
Posted: June 16
This article analyzes the tone and design of the excellent single-player campaigns in Portal and Portal 2, eventually concluding that the original Portal is the stronger title.

[. . .] I think it’s appropriate to close by reiterating that Portal 2 is a wonderful game. It’s fun and highly polished; its co-op campaign is one of the best co-op experiences ever devised; and its level editor and accompanying Steam workshop integration are practically endless sources of new content. [. . .]

[Click here to continue reading this review]
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