The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
User reviews:
Overall:
Overwhelmingly Positive (67,799 reviews) - 98% of the 67,799 user reviews for this game are positive.
Release Date: Apr 18, 2011

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Includes two copies of Portal 2 - Send the extra copy to a friend.

Buy Portal 2 - The Final Hours

Portal 2 - The Final Hours is a digital book that takes you deep within the top-secret offices of Valve for an unvarnished look at the creative process behind Portal 2. Now with a free bonus chapter added!

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Downloadable Content For This Game

 

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

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
Helpful customer reviews
3,229 of 3,374 people (96%) found this review helpful
3,420 people found this review funny
39.2 hrs on record
Posted: November 9, 2015
Step 1: Get game
Step 2: Play game
Step 3: Be smart
Step 4: Beat game
Step 5: Tell friend to get game
Step 6: Play multiplayer
Step 7: Scream at them for being stupid
Step 8: Feel good about yourself
Was this review helpful? Yes No Funny
770 of 838 people (92%) found this review helpful
774 people found this review funny
27.3 hrs on record
Posted: November 17, 2015
Buy it. For science. you monster.
Was this review helpful? Yes No Funny
242 of 256 people (95%) found this review helpful
41 people found this review funny
86.3 hrs on record
Posted: December 3, 2015
This game is now 4 years old and a sequel to a game even older. Yet the quality and unique game dynamic endure. Mods are still being made for it (get Portal Stories: MEL as soon as you finish this game!!), and it just endures as a classic. I will play this game in 10 years and it will still be fun.

Buy the orange box, on sale, and get hours and hours of fun 9.7 / 10
Was this review helpful? Yes No Funny
202 of 219 people (92%) found this review helpful
240 people found this review funny
42.9 hrs on record
Posted: December 30, 2015
Wheatley says he has to drop from the rails several feet above me.

He's nervous about it.

I promised I'll catch him.

... I lied.

I watch as he thunks and rolls on the ground.

He asks me to pick him up.

I refuse.

I watch as he entices, begs and cajoles me to pick him up.

Several minutes later I do.

Then he asks me to plug him into the wall.

I decide to dance around the room with him instead.

The cycle of begging and wheedling begins again.

After several minutes he gives up and falls silent.

I plug him into the wall.


10/10 Would torture Wheatley again.
Was this review helpful? Yes No Funny
109 of 118 people (92%) found this review helpful
92 people found this review funny
8.7 hrs on record
Posted: November 27, 2015
You don't even need to like puzzle games, you can buy this just to hear GLaDOS talking.
She will make your day.
P.S. You need to pass the puzzles to hear her speeches, so my first sentence might be wrong, you should love puzzle games.
Was this review helpful? Yes No Funny