Warnings
- The macOS (OS X) version of this game does not work on macOS Catalina (version 10.15) or later due to the removal of support for 32-bit-only apps.
General information
- GitHub Issue Tracker for Half-Life 2: Episode One and other Source-based games
- Steam Community Discussions
Availability
Source |
DRM |
Notes |
Keys |
OS |
Retail |
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Also includes Half-Life 2: Deathmatch |
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Steam |
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DRM-free when launched directly from the executable with -game episodic command line argument.[citation needed] |
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- Soundtrack is available for free with purchase here.
- All versions require Steam DRM.
Essential improvements
Peixoto's patch
Peixoto's patch forced resolution allows high resolution without shrinking the HUD\menus. Super sampling anti aliasing is also possible
Skip intro videos
Game data
Configuration file(s) location
System |
Location |
Steam |
<Steam-folder>/SteamApps/common/Half-Life 2/episodic/cfg/ |
- This game does not follow the XDG Base Directory Specification on Linux.
Save game data location
System |
Location |
Steam |
<Steam-folder>/SteamApps/common/Half-Life 2/episodic/save/ |
System |
Native |
Notes |
Steam Cloud |
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Approx. 100 MB available. Syncs save games and settings. |
Video
In-game general video settings.
In-game advanced video settings.
- HBAO available with flag
0x0000002C
.
-window -noborder[1]
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- Find Half-Life 2: Episode One in your Steam Library
- Right-click the game name
- Select
Properties
- Select
Set Launch Options...
- Input
-window -noborder
- Press
OK
- Launch the game
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Input
In-game key map settings.
In-game mouse/gamepad settings.
Audio
Audio feature |
State |
Notes |
Separate volume controls |
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Over-all game volume and separate music slider. |
Surround sound |
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7.1, 5.1 surround sound, 4 speaker surround. 7.1 output may require DirectSound3D restoration software. |
Subtitles |
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Closed captions |
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Mute on focus lost |
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"Silence the audio while the game window is in the background" check box. |
EAX support |
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Set snd_legacy_surround 1 in console, 4 speakers in options, and use DSOAL for binaural HRTF mixing. |
Localizations
Language |
UI |
Audio |
Sub |
Notes |
English |
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Simplified Chinese |
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Traditional Chinese |
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Czech |
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Danish |
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Dutch |
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Finnish |
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French |
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German |
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Italian |
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Japanese |
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Korean |
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Norwegian |
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Polish |
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Portuguese |
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Russian |
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Spanish |
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Swedish |
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Thai |
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Network
Multiplayer types
Connection types
VR support
- By default VR mode will run full screen, to switch back to a borderless windowed set the
vr_force_windowed
convar.
Issues fixed
Purple and black broken textures
- A generic fix for this issue can be found on our Source engine page.
Other information
API
Technical specs |
Supported |
Notes |
Direct3D |
8, 8.1, 9 |
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OpenGL |
2.1 |
OS X and Linux only. |
Shader Model support |
1.x, 2, 3 |
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Executable |
32-bit |
64-bit |
Notes |
Windows |
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macOS (OS X) | |
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[citation needed] |
Linux | |
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[citation needed] |
Middleware
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Middleware |
Notes |
Physics |
Havok |
Heavily modified variant. |
Audio |
Miles Sound System |
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Cutscenes |
Bink Video |
Used for startup videos and in-game movies. |
Console commands
- Games running on the Source engine can utilize Source Engine Console Commands for various tasks.
Enabling the console in Source games[citation needed]
|
- Launch the game
- From the main menu select
Options
- Select the
Keyboard tab
- Click the
Advanced button
- Check the box next to
Enable developer console (~)
- Click Apply
Notes
- Press ~ to open the console.
- Some commands may first require you enabling sv_cheats. You can do so with
sv_cheats 1 .
- Users without a US keyboard could experience some problems.
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Launch options
- 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.
Enabling a launch parameter[citation needed]
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- Find the game in your Steam Library
- Right-click the game name
- Select
Properties
- Select
Set Launch Options...
- Input your selected launch options and separate each command with a space
- Press
OK
- Launch the game
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Mods
- For popular mods see Mod DB's "Half-Life 2: Episode One Mods" section.
MINERVA
- Original version available on Mod DB.
- Improved version available on Steam for free. Requires Half-Life 2: Episode One.
System requirements
Windows |
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Minimum |
Recommended |
Operating system (OS) |
XP, Vista, 7 | |
Processor (CPU) |
1.7 GHz
| Intel Pentium 4 3.0 GHz |
System memory (RAM) |
512 MB |
1 GB |
Hard disk drive (HDD) |
4.6 GB | |
Video card (GPU) |
Nvidia GeForce3 Ti 200 ATI Radeon 9000/8500 64 MB of VRAM
| Nvidia GeForce 6800 ATI Radeon X800 |
- Windows 98SE, ME, and 2000 were previously supported operating systems for the game, but as future updates for this game and Steam occurred; the support for these operating systems were dropped, even with retail copies.
- Must be run without Steam to play on XP and Vista.
macOS (OS X) |
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Minimum |
Operating system (OS) |
10.5.8, 10.6.3 |
Processor (CPU) |
1.7 GHz |
System memory (RAM) |
1 GB |
Hard disk drive (HDD) |
4.6 GB |
Video card (GPU) |
Nvidia GeForce 8 ATI Radeon X1600 Intel HD 3000 |
References