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Half-Life 2: Episode One: Difference between revisions

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{{ESRB|M}} {{PEGI|16}} {{USK|18}} __NOTOC__
{{LanguageBar}}
{{hierarchy|hl}}
{{hl2 topicon}}{{src topicon}}
{{Software page
| name = Half-Life 2: Episode One
| filename = Half-Life 2 Episode One
| appid = 380
| docs = Half-Life 2 Level Creation
| pcgw          = true
| wikipedia    = true
| has workshop  = false


| metacritic = 87
{{Game Infobox
| metacritic link = pc/half-life-2-episode-one
|title = Half-Life 2: Episode One
|image = Software Cover - Half-Life 2 Episode One.jpg
|developer = [[Valve Corporation]]
|publisher = [[WP:Electronic Arts|Electronic Arts]] (retail)<br>Valve Corporation ([[Steam]])
|series = [[Half-Life series]]
|releasedates = June 1, 2006
|genre = [[WP:First-person shooter|First-person shooter]]
|mode = [[WP:Single-player video game|Single-player]]
|platform = {{win|1}}, {{mac|1}}, {{linux|1}}, {{360|1}}, {{ps3|1}}, {{android|1}} ([[WP:Nvidia Shield|Nvidia Shield]])
|engine = {{src|4}} ({{src13sp|1|nt=1}})
|appid = 380
|codelang = [[WP:C++|C++]]
|modsupport = Yes ({{code|custom}} folder, [[Steam Workshop]])
|sdk = [[Source SDK]]
|sysreq = <span></span>
* [[WP:Windows Vista|Win Vista]], [[WP:Windows 7|7]] or later
* 1.7 GHz and/or Dual-core
* 1 [[WP:Gigabyte|GB]] [[WP:Random-access memory|RAM]]
* 6.5 GB disk space
* DirectX 9.0 compatible (with DX 8.1 level card)
''New Engine only. For details, [[#System Requirements|see below]]''
|distribution = Retail, [[Steam]]
|links = {{Steam store|app/380}} (unlisted)<br>{{Steam community|app/220/workshop|Steam Workshop}}<!-- goes to hl2 page instead --><br>{{Moddb|games/half-life-2-episode-one}}
|previousgame = {{hl2lc|2}}<br>{{hl2|2}} (chronologically)
|nextgame = {{hl2ep2|2}}
}}
<span style="color:white; font-weight:bold">Half-Life 2: Episode One</span> is the first in a series of games that reveal the aftermath of {{hl2|1.bold}} and launch a journey beyond [[City 17]]. It focuses on developing [[Alyx Vance|Alyx]] as a character.
 
Consciousness returns. [[Gordon]] and Alyx discover they've somehow escaped both the reactor explosion and the [[G-Man]]'s malevolent grasp. Before they can ponder their miraculous survival, the crippled [[Citadel]] lurches back to life just long enough to initiate a self-destruct sequence. With Alyx at his side, Gordon must flee a city in chaos before the Citadel's final detonation turns City 17 into a toxic, mutant-infested crater.
 
Aside from the story, the game initially runs on {{src06|1.bold}}, which introduced new features such as [[HDR]], [[$phong|Phong shading]], and [[Source_2006#Features|much more]]. The game was later upgraded to {{src09|1}}, then again with {{src13sp|1}}.
 
With the release of {{hl2|name}} 20th Anniversary Update in November 16, 2024, both {{hl2ep1|1|nt=1}} and {{hl2ep2|1|nt=1}} are now accessible through {{hl2|name}} main menu. As a result, both episodes are unlisted from the Steam Store.
 
== Content ==
* {{ep1|1}} (<code>episodic</code>)
* {{hl2|1}} maps (<code>hl2</code>)
* Source shared (<code>hl2</code>)
* {{src13sp|1}} engine branch


| background size = 1650px
== Chapters ==
| background opacity = 0.25
{{Chapters|game=ep1}}
| screenshot 1 = jpg
| screenshot 2 = jpg
| screenshot 3 = jpg
| screenshot 4 = jpg
| screenshot 5 = jpg


| shortdesc = {{Autolang
== Gallery ==
| {{hl2|3.1}} has sold over 4 million copies worldwide, and earned over 35 Game of the Year Awards. {{Ep1|3.1}} is the first in a series of games that reveal the aftermath of [[Half-Life 2]] and launch a journey beyond City 17. Also features two multiplayer games. [[Half-Life 2]] not required.
<gallery mode=nolines widths=258px heights=430px>
| hr = {{hl2|3.1}} prodana je u više od 4 milijuna primjeraka diljem svijeta i osvojila je više od 35 nagrada za igru ​​godine. {{Ep1|3.1}} je prva u nizu igara koje otkrivaju posljedice [[Half-Life 2]] i pokreću putovanje izvan City 17. Također sadrži dvije igre za više igrača. [[Half-Life 2]] nije potreban.
SourcePic 01.jpg|
| zh = 《{{hl2|3.1}}》已在全球售出四百多万套，并赢得了超过 35 项年度游戏奖项。Episode One 是《{{hl2|3.1}}》一系列续章的第一部，带您进行远离 17 号城市的一次冒险旅程。同样提供了两个多人游戏。不必拥有《{{hl2|3.1}}》。}}
Half-Life 2 Episode One - Screenshot_1.jpg|
Half-Life 2 Episode One - Screenshot_2.jpg|
Half-Life 2 Episode One - Screenshot_3.jpg|
Half-Life 2 Episode One - Screenshot_4.jpg|
Half-Life 2 Episode One - Screenshot_5.jpg|
</gallery>


| release = 1 Jun 2006
== System Requirements<span id="Sysreq"><!--Used by Sysreq template, clicking on "See system requirements" will send you to this section.--></span> ==
| genre = Action
<!-- May include unofficial info alongside official one, just to make sure the game still perform well on any hardware. Most official system requirements, like CS:GO, might be out of date. -->
| genre 2 = FPS
<!-- Original system requirement: https://web.archive.org/web/20061115201316/http://storefront.steampowered.com/v2/index.php?area=game&AppId=340 -->
| mode = SP
<p style="color:white; font-weight:bold">Windows (Old Engine/original requirement):</p>
| platform = PC
*OS: Windows [[WP:Windows 98|98]] / [[WP:Windows ME|ME]], [[WP:Windows 2000|2000]], [[WP:Windows XP|XP]] or later<!-- based off 2008 steam's web archive, not sure if LC supports 98 or ME -->
| platform 2 = Mac
*[[WP:Central processing unit|CPU]]: 1.2 [[WP:Hertz|GHz]] ([[WP:Pentium 4|Pentium 4]] or [[WP:Athlon|Athlon]] 2800+ processor)
| platform 3 = X360
*[[WP:Random-access memory|RAM]]: 256 [[WP:Megabyte|MB]]
| platform 4 = Ps3
*Disk space: 4.5 [[WP:Gigabyte|GB]]
| platform 5 = Android
*GPU: Nvidia GeForce FX 5700, ATI Radeon 9500
| engine = Source
*[[WP:Direct3D|Direct3D]] 9.0 compatible [[WP:Video card|video card]] (with atleast DirectX 7.0 or higher [[DirectX Versions|feature level]]) and 128MB VRAM<br>Some features such as [[HDR]] and [[color correction]] requires DirectX 9.0 or higher graphics card (Nvidia GeForce 6 series or ATI Radeon 9000/X300-X600/X800) series
| branch = Source 13 SP
| developer = Valve
| publisher = Valve
| deck = Playable <!-- Fully supported on Deck but with minor audio issues as of May 2023. -->


| desc = {{Software status
<p style="color:white; font-weight:bold">Windows (New Engine):</p>
| appid = 380
*OS: Windows [[WP:Windows Vista|Vista]], [[WP:Windows 7|7]] or later<!-- despite steam requires win10, the game is drm-free so its still works with win7. Steam Deck update broke XP support however. -->
| type = games
*CPU: 1.7 GHz and/or Dual-core
| free = no <!-- optional -->
*RAM: 1 [[WP:Gigabyte|GB]]
| status = available <!-- optional unless delisted -->
*Disk space: 15 GB
| os = Windows Linux
*GPU: NVIDIA GeForce 6 series, ATI Radeon X1600, Intel HD Graphics 3000 (with 128MB [[WP:Video random-access memory|VRAM]])
| chromebook = playable
*Direct3D 9.0 compatible [[WP:Video card|video card]] (with atleast DirectX 8.0 or higher feature level)<br>Some features such as [[HDR]] and [[color correction]] requires DirectX 9.0 or higher graphics card.
| deck = playable
{{Note|Original disk requirements are 6.5 GB prior to 20th Anniversary Update, which installs {{hl2|1}}, {{hl2lc|1}} and {{ep2|1}} content alongside {{ep1|1}} and thus increase disk space requirements.
| note = <br>{{warning|{{Software status/strings|Notice_macOS_32bit}}<br>{{Autolang|Additionally, as of June 12, 2024, Valve has dropped Mac support for all GoldSrc, Source games.}}}}
Additionally with 20th anniversary update, the highest settings will be more demanding to run on older hardware due to changes to 3D skybox in some maps aswell as LOD being disabled.
<!-- OTHER STORES, for games that did uses Valve engines (or closely related to it), that was sold or available for free outside Steam. Works similarly to "note" parameters. -->
}}
| 3rdpartylinks = {{gplay|com.nvidia.valvesoftware.halflife2ep1|page=apps|Google Play}} ({{nvidia|4|nt=5}} only)
{{Note|Due to Steam dropping support for Windows XP/Vista, users need run the game without Steam by running the {{code|hl2.exe}} executable with {{code|-game episodic}}. Running the game without Steam will disable achievements.}}
}}
{{Note|The latest version is no longer compatible with [[WP:Windows XP|Windows XP]] since the 2022 Steam Deck update.<br>Users with Windows XP can downgrade to previous version of the game [[Source/Engine versions#7628|here]]. But please note that this version does not include all the bug fixes and new features that were introduced with Steam Deck and 20th Anniverasry Update.
{{Package|packages=
Users with Collector's Edition copies (which runs on Source 2004, also supporting Win98/ME and 2000), or any Steam copies of Half-Life 2: Episode One since 2013 ([[SteamPipe]]), can play the game without Steam.
* {{Tob|4}}
* [[Package: Half-Life Complete|Half-Life Complete]]
* [[Package: Valve Complete Pack|Valve Complete Pack]]
}}
{{MultiPage|title = {{Autolang|zh = 半衰期 2：第一章}} }}
{{Half life games}}
}}
}}


[[Category:Half-Life 2]]
<p style="color:white; font-weight:bold">OS X:</p>
*OS: [[WP:OS X|OS X]] 10.5.8, 10.6.3 (up to 10.14.6)
*CPU: 2.0 GHz and/or Dual-core
*RAM: 1 GB
*Storage: 15 GB
*GPU: NVIDIA GeForce 8xxx series, ATI Radeon X1600, Intel HD Graphics 3000<br>OpenGL 2.1 compatible
*Audio: OpenAL compatible
{{Note|Mac versions are no longer supported after macOS Catalina (10.15), due to this game only have 32-bit binaries. <!-- Valve later removed macOS binaries in June 12, 2024. --><br>
User can manually build Intel 64-bit/Apple Silicon version of HL2 by [https://www.applegamingwiki.com/wiki/Half-Life_2#Native following this guide]<!-- not sure if this is legal for it to be mention here as the guide rely on using the modified leaked source engine source code -->.}}<!-- the game does not have Mac system requirements on store page, so using the HL2 one instead. -->
 
<p style="color:white; font-weight:bold">Linux:</p>
*OS: Ubuntu 12.04, SteamOS 1.0 or later<br>Other Linux distros supported.
*CPU: 2.0 GHz and/or Dual-core
*RAM: 1 GB
*Storage: 15 GB
*GPU: NVIDIA GeForce 8xxx series, ATI Radeon X1600, Intel HD Graphics 3000<br>OpenGL 2.1 compatible
*Audio: OpenAL compatible
{{Note|The system requirements for {{hl2ep1|4}} on Linux are unofficial, based off Windows/Mac info, as well as other Source games that support Linux, such as Portal 2.}}
<!-- Same as Mac, doesn't have system requirements on store page. -->
 
== Limitations/Bugs ==
*For the list of {{hl2ep1|name}} bugs, see this [https://github.com/ValveSoftware/Source-1-Games/issues?q=is%3Aopen+is%3Aissue+label%3A%22Half-Life+2%3A+Episode+One%22 GitHub] page.
 
== External links ==
* {{cow|Half-Life 2: Episode One}} on '''Combine OverWiki'''
* {{w|Half-Life 2: Episode One}} on '''Wikipedia'''{{Half life games|hidecancelled=true|hide3rdparty=true}}
 
[[Category:Half-Life 2]]
[[Category:Half-Life 2: Episode One]]
[[Category:The Orange Box]]
[[Category:Open source mods and games]] <!-- game code available via Source SDK -->
[[Category:Source 2013 SP engine branch games]]

Latest revision as of 14:47, 14 June 2025

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Half-Life 2: Episode One
Software Cover - Half-Life 2 Episode One.jpg
Developer(s)
Publisher(s)
Electronic Arts (retail)
Valve Corporation (Steam)
Release date(s)
June 1, 2006
Mode(s)
Steam AppID
Written in
Mod support
Yes (custom folder, Steam Workshop)
System requirements
  • Win Vista, 7 or later
  • 1.7 GHz and/or Dual-core
  • 1 GB RAM
  • 6.5 GB disk space
  • DirectX 9.0 compatible (with DX 8.1 level card)
New Engine only. For details, see below
Distribution
Retail, Steam
Previous game

Half-Life 2: Episode One is the first in a series of games that reveal the aftermath of Half-Life 2 and launch a journey beyond City 17. It focuses on developing Alyx as a character.

Consciousness returns. Gordon and Alyx discover they've somehow escaped both the reactor explosion and the G-Man's malevolent grasp. Before they can ponder their miraculous survival, the crippled Citadel lurches back to life just long enough to initiate a self-destruct sequence. With Alyx at his side, Gordon must flee a city in chaos before the Citadel's final detonation turns City 17 into a toxic, mutant-infested crater.

Aside from the story, the game initially runs on Source 2006, which introduced new features such as HDR, Phong shading, and much more. The game was later upgraded to Source 2009, then again with Source 2013 Singleplayer.

With the release of Half-Life 2 20th Anniversary Update in November 16, 2024, both Episode One and Episode Two are now accessible through Half-Life 2 main menu. As a result, both episodes are unlisted from the Steam Store.

Content

Chapters


Gallery

  • SourcePic 01.jpg
  • Half-Life 2 Episode One - Screenshot 1.jpg
  • Half-Life 2 Episode One - Screenshot 2.jpg
  • Half-Life 2 Episode One - Screenshot 3.jpg
  • Half-Life 2 Episode One - Screenshot 4.jpg
  • Half-Life 2 Episode One - Screenshot 5.jpg

System Requirements

Windows (Old Engine/original requirement):

Windows (New Engine):

  • OS: Windows Vista, 7 or later
  • CPU: 1.7 GHz and/or Dual-core
  • RAM: 1 GB
  • Disk space: 15 GB
  • GPU: NVIDIA GeForce 6 series, ATI Radeon X1600, Intel HD Graphics 3000 (with 128MB VRAM)
  • Direct3D 9.0 compatible video card (with atleast DirectX 8.0 or higher feature level)
    Some features such as HDR and color correction requires DirectX 9.0 or higher graphics card.
Note.pngNote:Original disk requirements are 6.5 GB prior to 20th Anniversary Update, which installs Half-Life 2, Half-Life 2: Lost Coast and Half-Life 2: Episode Two content alongside Half-Life 2: Episode One and thus increase disk space requirements.

Additionally with 20th anniversary update, the highest settings will be more demanding to run on older hardware due to changes to 3D skybox in some maps aswell as LOD being disabled.

Note.pngNote:Due to Steam dropping support for Windows XP/Vista, users need run the game without Steam by running the hl2.exe executable with -game episodic. Running the game without Steam will disable achievements.
Note.pngNote:The latest version is no longer compatible with Windows XP since the 2022 Steam Deck update.
Users with Windows XP can downgrade to previous version of the game here. But please note that this version does not include all the bug fixes and new features that were introduced with Steam Deck and 20th Anniverasry Update.

Users with Collector's Edition copies (which runs on Source 2004, also supporting Win98/ME and 2000), or any Steam copies of Half-Life 2: Episode One since 2013 (SteamPipe), can play the game without Steam.

OS X:

  • OS: OS X 10.5.8, 10.6.3 (up to 10.14.6)
  • CPU: 2.0 GHz and/or Dual-core
  • RAM: 1 GB
  • Storage: 15 GB
  • GPU: NVIDIA GeForce 8xxx series, ATI Radeon X1600, Intel HD Graphics 3000
    OpenGL 2.1 compatible
  • Audio: OpenAL compatible
Note.pngNote:Mac versions are no longer supported after macOS Catalina (10.15), due to this game only have 32-bit binaries.
User can manually build Intel 64-bit/Apple Silicon version of HL2 by following this guide.

Linux:

  • OS: Ubuntu 12.04, SteamOS 1.0 or later
    Other Linux distros supported.
  • CPU: 2.0 GHz and/or Dual-core
  • RAM: 1 GB
  • Storage: 15 GB
  • GPU: NVIDIA GeForce 8xxx series, ATI Radeon X1600, Intel HD Graphics 3000
    OpenGL 2.1 compatible
  • Audio: OpenAL compatible
Note.pngNote:The system requirements for Half-Life 2: Episode One Half-Life 2: Episode One on Linux are unofficial, based off Windows/Mac info, as well as other Source games that support Linux, such as Portal 2.

Limitations/Bugs

  • For the list of Half-Life 2: Episode One bugs, see this GitHub page.

External links

Retrieved from "https://developer.valvesoftware.com/w/index.php?title=Half-Life_2:_Episode_One&oldid=482342"