The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
User reviews:
Recent:
Overwhelmingly Positive (794 reviews) - 98% of the 794 user reviews in the last 30 days are positive.
Overall:
Overwhelmingly Positive (72,333 reviews) - 98% of the 72,333 user reviews for this game are positive.
Release Date: Apr 18, 2011

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Downloadable Content For This Game

 

Recommended By Curators

"Phenomenal, while it doesn't use it's space as well as the original, the Steam Workshop and mods allow for near infinite playtime worth every penny."

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

Windows
Mac OS X
SteamOS + Linux
    Minimum:
    • 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
    Minimum:
    • 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
    Minimum:
    • 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
Customer Review system updated Sept. 2016! Learn more
Recent:
Overwhelmingly Positive (794 reviews)
Overall:
Overwhelmingly Positive (72,333 reviews)
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39,987 reviews match the filters above ( Overwhelmingly Positive)
Most Helpful Reviews  In the past 30 days
37 of 38 people (97%) found this review helpful
29 people found this review funny
Recommended
158.3 hrs on record
Posted: August 31
Now that I've gotten all the achievements and given up so much of my life to science, it's time to review this outstanding game.

--Pros--
♥ Witty and honestly perfect dialogue
♥ Memorable characters and references
♥ potatoes
♥ Amazing soundtrack
♥ Creative puzzles
♥ Co-Op
♥ Cute mutants
♥ Lemons and a snazzy Cave
♥ $60
♥ You can seriously replay this game over and over again, I'm living proof of it with 150+ hours
♥ Amazing community maps that you can always play if you want more pizzazz

--Cons--
♦ Neurotoxin
♦ Being called fat
♦ The cake is a lie
♦ Does not include friends for co-op (But there's always a companion cube for you lonely people)
♦ You can't eat the potato
♦ Birds


Okay but seriously, this game will forever stay in my heart. Its originality and engrossing storyline is why it's so beloved by others. No matter what kind of gamer you are, and no matter what kind of mood you're in, you will enjoy the gameplay. Just trust me, try this game. You'll be GLaD you did. <3
Was this review helpful? Yes No Funny
31 of 33 people (94%) found this review helpful
4 people found this review funny
Recommended
51.8 hrs on record
Posted: September 8
No steam library is complete without this masterpeice
Was this review helpful? Yes No Funny
13 of 14 people (93%) found this review helpful
5 people found this review funny
Recommended
25.5 hrs on record
Posted: September 7
Are you still there?

Lemons, m♥ron, portal, cube, gel, portal, think, think, think! You're fat. Portal. Logic. Think hard! Potato. Push the button. Don't push the button.

Target lost.
11/10
Was this review helpful? Yes No Funny
10 of 11 people (91%) found this review helpful
Recommended
16.8 hrs on record
Posted: September 13
My first Portal game. Obtained in 2016.
immersive tutorial, great story, awesome gameplay.
Instantly bought the first one - no regrets.
Was this review helpful? Yes No Funny
7 of 8 people (88%) found this review helpful
1 person found this review funny
Recommended
11.9 hrs on record
Posted: September 16
Portal 2 is even better than Portal
Portal 2 is another game on my "must play" list. Portal was already incredible, yet somehow Valve managed to make the sequel exquisite.

Positive:
- Fluid, responsive controls
- Amazing puzzles, both for single player and co-op
- Great difficulty curve
- This time there is actually a story. We finally get to learn more about Aperture Science.
- Wheatley joins the party. In combination with GLaDOS, their unique personalities and humour just make Portal 2 incredible. Basically fantastic script and voice-acting.
- This is not just a remake of Portal. This time gels are added to put a unique touch on puzzles. Basically an upgrade in gameplay and difficulty.
- Co-op mode! Like single-player, the co-op mode is brilliantly designed, and addictively fun.
- Community-made maps (basically endless fun and challenges)
- Companion cube still loves you <3

Negative:
- Still no cake
- You require a competent buddy for co-op

Conclusion:
Valve really outdid themselves this time. There really isn't much else to say. The praise I gave in my Portal review is just as valid here, although it must be said that Portal 2 deserves even more praise. You would be a fool not to play Portal and Portal 2.
Was this review helpful? Yes No Funny
5 of 5 people (100%) found this review helpful
Recommended
170.5 hrs on record
Posted: September 23
I love this game so much. Like, I could play this game every day for the rest of my life because of how much it offers. I would play Co-op with anyone. I've beat this game 5 times and I've speedrunned it. If I can't stress how much I love this game, I want to state that I really love this game.

Ughh until I do a proper review, WHICH I WILL. I can only say that this is truly a masterpeice, and I have no complain about this game. This is in my opinion the example of a perfect game.

I've gifted this game nearly 10 times now. I've made it my tradition to gift Portal 2 to any friend I introduce to steam to, and let me tell you know, each one of them ends up being an loving portal fan.

Buy this game, no questions. It's meta critic of 96 and the most positively review steam game for a reason!
Was this review helpful? Yes No Funny
5 of 6 people (83%) found this review helpful
Recommended
15.8 hrs on record
Posted: September 4
Portal 2 is far more refined than its predecessor.

Better graphics. Granted the game did came out 4 years after.

Better humor. 81 min into the game I must have chuckled 4-5 times at GlaDOS's remarks.

Better physics. The cube and various objects **feel like** they bear actual weight this time.

Better puzzles. I no longer get disoriented solving them.

I actually care about Chell, that flying bot with blue eye and of course GlaDOS----this didn't happen while I was playing Portal.

While I'd gave Portal a borderline 6 / 10, I'm inclined to rate Porta 2 at least a 8.5 / 10.
Was this review helpful? Yes No Funny
2 of 2 people (100%) found this review helpful
Recommended
24.7 hrs on record
Posted: September 3
Product received for free
Very interesting game and fun and a bit scary to what happens in this game.
But simply this game is AMAZING!
You have to think a lot in the last 3 chapters to where you have to set portals...
But there is CO-OP and you can make your own test room!
(I am not good at making my own rooms)
You have to think a lot in this game everywhere.
Install and try the BEST GAME EVER!!!!!!
Was this review helpful? Yes No Funny
2 of 2 people (100%) found this review helpful
Recommended
27.9 hrs on record
Posted: August 31
The following wish is adequate and sufficient to describe my opinion about the game. I would give half of my remaining life time to be able to erase my memory of playing this game in order to play it like the first time.

I absolutely recommend this game for everyone! Thanks to Valve, thanks to all stuff who helped the production of this game! Enjoy!
Was this review helpful? Yes No Funny
2 of 2 people (100%) found this review helpful
Recommended
46.3 hrs on record
Posted: September 6
Portal 2. My good friend.
I will attempt to sum this game up as quickly as possible.
This game has a hilarious british personality core in it.
This game is one of the funniest story-rich games on the market.
This game has got adorable turrets.
This game has J.K. Simmons.
This game has exciting, brilliant gameplay.
This game has PORTALS, gosh dangit!!
10/10 well worth $20
Was this review helpful? Yes No Funny
Recently Posted
Pro Bottom Fragger
12.5 hrs
Posted: September 28
Extemely fun puzzle game. Would recommend to anyone who hasn't played it before.
Helpful? Yes No Funny
woobeewoo
34.0 hrs
Posted: September 28
An amazing followup to the original game, Portal 2 will not disappoint. Clever puzzles matched with great atmosphere, and an intriguing story, this is what the original Portal deserved to be followed up by. They couldn't have done it better.
Helpful? Yes No Funny
Ferla
11.8 hrs
Posted: September 28
Best game I have ever played on my life, loved every part of the game.
10/10 Masterpiece
Helpful? Yes No Funny
merb1000
28.9 hrs
Posted: September 28
Prep
30 m
Cook
1 h
Ready In
7 h 30 m
Preheat oven to 350 degrees F (175 degrees C). Grease a 9 inch springform pan.

In a medium bowl, mix graham cracker crumbs with melted butter. Press onto bottom of springform pan.

In a large bowl, mix cream cheese with sugar until smooth. Blend in milk, and then mix in the eggs one at a time, mixing just enough to incorporate. Mix in sour cream, vanilla and flour until smooth. Pour filling into prepared crust.

Bake in preheated oven for 1 hour. Turn the oven off, and let cake cool in oven with the door closed for 5 to 6 hours; this prevents cracking. Chill in refrigerator until serving.

Eat the cake while playing Portal 2. After adding the one thing the game does not excel in, your life will be complete.
Helpful? Yes No Funny
Yogro
14.9 hrs
Posted: September 28
Why can't Valve just disappoint me with their games just like almost every developer out there? I'm so used to it that it feels really weird to play such a gem. Bye GLaDOS, you will be missed.
Helpful? Yes No Funny
ALXYT
33.3 hrs
Posted: September 28
I LOOOVE IT
Helpful? Yes No Funny
Mika
39.2 hrs
Posted: September 28
in portal you placed a portal in portal 2 you place the second portal
Helpful? Yes No Funny
Cheez Grater
24.5 hrs
Posted: September 28
I'm late to this game, but it's become one of my favorites. Portal 1 is great, but Portal 2 adds a longer campaign, with new mechanics, better graphics, and smoother gameplay. Both games are worth playing.

+ Adds more content to an already great franchise.
+ Multiplayer is fun.
+ Can download new levels in Workshop.

Also check out the Mel's Story mod (free). It's a fan-made campaign that's also worth a play.
Helpful? Yes No Funny
RoxSocks
62.2 hrs
Posted: September 28
Good game, good story.
Helpful? Yes No Funny
dani.amer14
21.5 hrs
Posted: September 28
This is the best game ever i have played.
1.Good story
2.Test chambers that are fun
3.ITS AWESOME!

And you should try this map: https://steamcommunity.com/sharedfiles/filedetails/?id=211830317
Helpful? Yes No Funny