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Antichamber cover.jpg
Release dates
January 31, 2013
February 18, 2014
February 18, 2014
Antichamber at SteamDB
 Antichamber at Wikipedia

Key points

Information Developer has released his own 'Issues and temporary workarounds' guide
Disadvantage Only supports one save at a time.[1]

General information

More information Antichamber Website
More information Steam Community Discussions
More information Antichamber FAQ by Developer on Steam Community Discussions page for Antichamber


Source DRM Notes Keys
Humble Store DRM-free Availability Table Icons - Steam.svg
Steam Availability Table Icons - Steam.svg

Essential improvements[edit]

Skip Unreal Engine video[edit]

Fix Rename or delete movie file

  1. Go to <path-to-game>/UDKGame/Movies/
  2. Rename or delete UE3_logo.bik
Information Editing the configs to not load UE3_logo does not work.

Game data[edit]

Configuration files location[edit]

Windows <path-to-game>\UDKGame\Config\
OS X <path-to-game>/
Linux $XDG_DATA_HOME/AlexanderBruce/Antichamber/UDKGame/Config/
Advantage This game supports the XDG Base Directory Specification on Linux.

Save game data location[edit]

Windows <path-to-game>\Binaries\Win32\
OS X ~/Library/Application Support/Unreal Tournament 3/
Linux $XDG_DATA_HOME/AlexanderBruce/Antichamber/

Save game cloud syncing[edit]

System Native Notes
Steam Cloud No native support
GameSave Manager Native support

Video settings[edit]

Video settings.
Graphics option Option WSGF Notes
Widescreen resolution Native support WSGF WS Gold.svg Some resolutions not listed; see Widescreen resolution.
Multi-monitor Hackable WSGF MM Bronze.svg Works, if res(+fov) is changed in console.
Field of view (FOV) Hackable Input fov X, X being a number, in the console to change your FOV.
Windowed Native support
Borderless fullscreen windowed Unknown
Anisotropic filtering (AF) No native support
Anti-aliasing (AA) No native support
Vertical sync (Vsync) Native support
60 FPS Native support
120+ FPS Hackable See High frame rate.

Widescreen resolution[edit]

Disadvantage Many common resolutions are not available on the options menu.

Fix Edit DefaultInput.ini[2]

  1. Go to configuration files location.
  2. Open UDKInput.ini
  3. Search for ConsoleKey and delete the following lines:
    You can also change the ConsoleKey to anything you want. Just replace None with what you'd like it to be.
  4. Load the game and press ~ or Tab
  5. Type setres 2560x1440 or another custom resolution.

High frame rate[edit]

Disadvantage Forces standard V-sync on regardless of in-game setting, which prevents Adaptive V-sync, causes drops to 60FPS almost constantly. (aka stuttering)

Fix Change frame rate smoothing

  1. Go to configuration files location.
  2. Open the UDKEngine.ini with a text editor.
  3. Search and change bSmoothFrameRate to FALSE or raise MaxSmoothedFrameRate value.
  4. Save file.
Information For more information, see the Unreal Engine 3 page.

Input settings[edit]

Keyboard and mouse Native Notes
Remapping Hackable See Remapping.
Mouse acceleration Hackable "USENEWMOUSEINPUT 1" in console
Mouse input in menus No native support
Mouse Y-axis inversion Native support
Controller support No native support


Fix Edit UDKInput.ini[1]

  1. Go to configuration files location.
  2. Open the UDKInput.ini.
  3. Under the [Engine.PlayerInput] section find Bindings=(Name="W",Command="GBA_MoveForward".
  4. Change it and the Binding=... commands near it with your preferred input keys by changing Name="[Key]".

The following commands are used:

  • GBA_Jump
  • GBA_MoveForward
  • GBA_Backward
  • GBA_StrafeLeft
  • GBA_StrafeRight
  • GBA_Jump
  • GBA_Fire
  • GBA_AltFire
  • StartTriFire

Audio settings[edit]

Audio options Native Notes
Separate volume controls No native support
Surround sound Native support
Subtitles Not applicable
Closed captions No native support
Mute on focus lost Native support


Language UI Audio CC Notes
English Native support Not applicable Native support

VR support[edit]

3D modes Native Notes
Native 3D No native support
Nvidia 3D Vision No native support
TriDef 3D Native support
iZ3D No native support

Issues unresolved[edit]

Crash when drawing loops or cubes[edit]

Information From the developer: "I am aware that the algorithm for this can go a bit crazy and cause the game to crash if you try to do it with large or dense structures."[2]

Issues fixed[edit]


Fix Update PhysX[2]

Install the latest NVIDIA PhysX System Software.

Other information[edit]


Technical specs Supported Notes
Direct3D 9
OpenGL 2.0 OS X and Linux only.
Shader Model support 3
64-bit executable Native support OS X and Linux only.[citation needed]


Middleware Notes
Physics PhysX
Cutscenes Bink Video

System requirements[edit]

Minimum Recommended
Operating system (OS)
XP SP2, Vista, 7
Processor (CPU) 2.0+ GHz or better Dual Core
System memory (RAM)
2 GB
Hard disk drive (HDD)
1 GB
Video card (GPU)
Nvidia GeForce 8000 series or higher
DirectX 9.0c compatible
Shader model 3.0 support


  1. 1.0 1.1 Antichamber FAQ - Steam Community Discussions for Antichamber
  2. 2.0 2.1 2.2 Issues and temporary workarounds - Steam Community Discussions for Antichamber