Portal 2

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Portal 2
Release dates
April 19, 2011
April 19, 2011
June 17, 2014
Portal 2 at Steam Charts
Portal 2 at SteamDB
 Portal 2 at Wikipedia
Portal 2007
Portal 2 2011
Peer Review
Perpetual Testing Initiative
Sixense Perceptual Pack

Key points

Advantage Runs on low-end hardware.
Advantage Includes two-player split-screen co-op and controller support.
Advantage Built-in level editor with Steam Workshop support.[1]

General information

More information Official Portal 2 Site
More information Official Valve Portal 2 Site
More information Unofficial Portal Wiki
More information Portal Section of the Half-Life Wikia
More information Steam Community Discussions
More information Steam Users' Forums
More information Steam Workshop for Portal 2


Source DRM Notes Keys
Retail Availability Table Icons - Steam.svg
Retail Availability Table Icons - Steam.svg All copies of Portal 2 on PlayStation 3 come with a Steam key.
GameFly Digital Availability Table Icons - Steam.svg
Green Man Gaming Availability Table Icons - Steam.svg
Steam Availability Table Icons - Steam.svg
Information All versions require Steam.

PlayStation 3[edit]

Information The PlayStation 3 version includes a single-use product key for the Steam version.[2]
Advantage Can be linked to a Steam account, which also gives you access to the Steam version of the game. In addition, linking to Steam allows cross-platform multiplayer with Steam players, access to your Steam friend list (chat, invites, etc.), Steam Achievements, and Steam Cloud save-games (PlayStation 3 saves are not compatible with other versions).

Essential improvements[edit]

Skip intro videos[edit]

Fix -novidLink

  1. Find Portal 2 in your Steam Library
  2. Right-click the game name
  3. Select Properties
  4. Select Set Launch Options...
  5. Input -novid
  6. Press OK and launch the game

Game data[edit]

Configuration files location[edit]

Steam <path-to-game>/portal2/cfg/

Save game data location[edit]

Steam <path-to-game>/portal2/SAVE/

Save game cloud syncing[edit]

System Native Notes
Steam Cloud Native
GameSave Manager Native

Video settings[edit]

In-game general video settings.
In-game advanced video settings.
Graphics option Option WSGF Notes
Widescreen resolution Native WSGF WS Gold.svg
Multi-monitor Native WSGF MM Gold.svg
Field of view (FOV) Native via console commands (enabled in the "Keyboard Settings")
Windowed Native
Borderless fullscreen windowed Native
Anisotropic filtering (AF) Native Up to 16 samples.
Anti-aliasing (AA) Native
Vertical sync (Vsync) Native
High frame rate Native No frame rate or refresh rate cap.[3]

Split-screen without bezels[edit]

Information Portal 2 split-screen mode was meant to be played on a single 16:9 screen only. If you have a different setup then, the image could not entirely fit the monitor(s).

Fix Edit split-screen aspect-ratio[4]Link

  1. Navigate to <path-to-game>/portal 2
  2. Open splitscreen_config.txt with a text editor
  3. Look for "aspect" "8 by 9" string
  4. Change it accordingly to your actual aspect ratio divided by 2


Information If you are interested to horizontal split-screen aspect ratio, you should look instead for "aspect" "32 by 9" string (remember that you need to multiply by 2 the aspect ratio now)

Input settings[edit]

In-game general controls settings.
In-game gamepad settings.
In-game key map settings.
Keyboard and mouse Native Notes
Remapping Native
Mouse acceleration Native
Mouse input in menus Native
Mouse Y-axis inversion Native
Controller support Native
Full controller support Native
Controller remapping Native
Controller Y-axis inversion Native

Audio settings[edit]

In-game audio settings.
Audio options Native Notes
Separate volume controls Native Over-all game volume and separate music slider.
Surround sound Native 7.1, 5.1 surround sound, 4 speaker surround
Subtitles Native For non-English subtitles, see Changing subtitle language.
Closed captions Native
Mute on focus lost Native
EAX support Native [5]


Language UI Audio CC Notes
English Native Native Native
Finnish Native Impossible Native
French Native Native Native
German Native Native Native
Spanish Native Native Native
Czech Native Impossible Native
Danish Native Impossible Native
Dutch Native Impossible Native
Hungarian Native Impossible Native
Italian Native Impossible Native
Japanese Native Impossible Native
Korean Native Impossible Native
Norwegian Native Impossible Native
Polish Native Impossible Native
Portuguese Native Impossible Native
Romanian Native Impossible Native
Russian Native Native Native
Simplified Chinese Native Impossible Native
Swedish Native Impossible Native
Thai Native Impossible Native
Traditional Chinese Native Impossible Native
Turkish Native Impossible Native

Changing subtitle language[edit]

Fix Enter cc_lang LanguageName into the consoleLink

  1. Open the console and enter cc_lang LanguageName
  2. Substitute LanguageName with available language.


Multiplayer types

Type Native Players Notes
Local co-op Native 2 Two player split-screen
LAN co-op Unknown
Online co-op Native 2

Connection types

Type Native Notes
Matchmaking Native
Peer-to-peer Native
Dedicated Impossible
Self-hosting Native
Direct IP Hackable Open the console (~) and enter connect followed by the IP and port.


Protocol Port(s) and/or port range(s)
TCP (outbound) 27014-27050
UDP (outbound) 3478, 4379-4380, 27000-27030

Issues unresolved[edit]

Hang on exit[edit]

Disadvantage New patch on July 12, 2013, introduced a crash when exiting the game. Application hangs and does not respond when the game is exited via the quit button on the main menu or task manager. Steam Cloud synchronisation resumes when forcefully quit. No fix has been announced.[6]

Issues fixed[edit]

Purple and black broken textures[edit]

Information A generic fix for this issue can be found on our Source engine page.

Split-screen co-op[edit]

Information As of November 20th 2012, splitscreen mode has been officially added for Standard Co-Op[7].
Information If you'd like to use a keyboard/mouse for Player 1 and a controller for Player 2, follow these instructions:

Fix Input joy_remap_player_for_controller1 2Link

  1. Open the console in Portal 2
  2. Input joy_remap_player_for_controller1 2
  3. Play

Black screen at launch[edit]

Fix Set your resolution to your native desktop resolutionLink

'Visual 2005 Runtime' error[edit]

Fix Install Microsoft Visual Runtime LibrariesLink

  1. Visit Microsoft Visual Runtime Libraries
  2. Download and install the files provided
  3. Run the game

'Portal 2 Failed to create D3D device' error[edit]

Fix Install DirectXLink

  1. Install/update DirectX
  2. Find Portal 2 in your Steam Library
  3. Right-click the game name
  4. Select Properties
  5. Select Set Launch Options...
  6. Input -w # -h #, where each # is your monitor's width and height respectively.

Freezes after logo intro video[edit]

Fix -novidLink

  1. Find Portal 2 in your Steam Library
  2. Right-click the game name
  3. Select Properties
  4. Select Set Launch Options...
  5. Input -novid
  6. Press OK and launch the game

Fix Verify Your Game CacheLink

  1. Find Portal 2 in your Steam Library
  2. Right-click the game name
  3. Select Properties
  4. Navigate to the Local Files tab
  5. Select Verify Integrity of Game Cache...
  6. This may take a while, just wait for it to finish
  7. Once it's done press OK
  8. Launch the game
Information If you have an FX Bulldozer CPU, such as the AMD FX 4100, you may need to:

Fix Update the BIOSLink

Information Updating the BIOS may fix this issue

Fix Orocho-CEGLink

  1. Visit this thread
  2. Download and open the Orocho-CEG application


Information Orocho-CEG must be restarted after each reboot

'Could not Load Library Client' error[edit]

Fix Add Steam.exe and portal2.exe to your firewall's exception listsLink

  1. Open your firewall's software
  2. Find your exception list
  3. Add Steam.exe and portal2.exe to your exceptions list
  4. Open the game

No sound[edit]

Fix Run the game with Stereo SoundLink

Sound causing stuttering[edit]

Fix Update your sound card driversLink

Generic crash fixes[edit]

Fix Run as AdministratorLink

  1. Go to the installation folder.
  2. Right-click on Portal2.exe and select Run as Administrator

Fix Run in compatibility modeLink

  1. Go to the installation folder.
  2. Right-click on Portal2.exe and select Run in Compatibility Mode
  3. Make it run in compatibility mode with Windows XP SP3

Cinematic audio stutter[edit]

Fix Update your audio device driversLink

  1. Update audio device drivers
  2. Uninstall extra codecs you have installed

Lag physics blob fix[edit]

Fix Input r_threaded_blobulator 0 in the consoleLink

  1. Open the console in Portal 2
  2. Input r_threaded_blobulator 0

Display driver has stopped working[edit]

Fix DescriptionLink

  1. Go to the installation folder.
  2. Right-click portal2.exe
  3. Select troubleshoot in compatibility issues
  4. Run Portal 2

Portal 2 with Integrated Intel Graphics[edit]

Information Portal 2 may have problems running on integrated Intel graphics cards, including crashing and black screens. Windowed mode may fix this.

Fix -windowedLink

  1. Find Portal 2 in your Steam Library
  2. Right-click the game name
  3. Select Properties
  4. Select Set Launch Options...
  5. Input -windowed
  6. Launch Portal 2

Other information[edit]

Console commands[edit]

Information Games running on the Source engine can utilize Source Engine Console Commands for various tasks.

Fix Enabling the console in Source gamesLink

  1. Launch the game
  2. From the main menu select Options
  3. Select the Keyboard tab
  4. Click the Advanced button
  5. Check the box next to Enable developer console (~)
  6. Click Apply


Information Press the tilde (~) key to open the console.
Information Some commands may first require you enabling sv_cheats. You can do so with sv_cheats 1.
Disadvantage Users without a US keyboard could experience some problems.
Information You can also have the console open by default on launch by following this guide:

Fix -consoleLink

  1. Find Portal 2 in your Steam Library
  2. Right-click the game name
  3. Select Properties
  4. Select Set Launch Options...
  5. Input -console
  6. Press OK
  7. Launch the game

Launch options[edit]

Information View this Steam Support Article regarding launch options as well as the relevant Valve Developer wiki page for further information and a list of useful Source engine launch options.

Fix Enabling a launch parameterLink

  1. Find the game in your Steam Library
  2. Right-click the game name
  3. Select Properties
  4. Select Set Launch Options...
  5. Input your selected launch options and separate each command with a space
  6. Press OK
  7. Launch the game

System requirements[edit]

Operating system (OS) XP, Vista, 7
Processor (CPU) Intel Pentium 4 3.0 GHz or 2 GHz dual-core
System memory (RAM) 1 GB (XP)
2 GB (Vista, 7)
Hard disk drive (HDD) 7.6 GB
Video card (GPU) 128 MB of VRAM
DirectX 9.0 compatible
Minimum Recommended
Operating system (OS)
Processor (CPU)
Intel Core Duo 2.0 GHz
System memory (RAM) 2 GB 4 GB
Hard disk drive (HDD)
7.6 GB
Video card (GPU)
NVIDIA GeForce 8600M
ATI Radeon HD 2400
Intel HD Graphics 3000


  1. News - Portal 2 Perpetual Testing Initiative Begins May 8
  2. Game Differences - Portal 2
  3. New 120Hz Games Report
  4. Widescreen gaming blog post on Eyefinity in Left 4 Dead 1
  5. Portal 2 EAX sound fix for sublime sound - Steam Users' Forums
  6. http://community.pcgamingwiki.com/topic/398-portal-2-hangs-on-exit/
  7. Portal 2 Update Released - Steam News for Portal 2