Episode One follows scientist Gordon Freeman and his companion Alyx Vance as they fight in humanity's continuing struggle against the transhuman race known as the Combine. When the story begins, Gordon wakes up outside the enemy's base of operations, the Citadel, after being left unconscious from the concluding events of Half-Life 2. During the course of the game, Gordon travels with Alyx as they attempt to evacuate the city.

(browse maps & skins)
Added | Game Name | Type
The Forgotten Ones - Version 2.4.0 [Patch]
Half-Life 2

The Forgotten Ones - Version 2.4.0 [Patch]

Mar 1, 2014 The Forgotten Ones Patch (19.42mb) 2 comments

A minor update for TFO fixing HUD positions, jump bug, fullbright maps, etc... Requires v2.3.0 to work! This is a patch!

City of Wonders
Half-Life 2: Episode One

City of Wonders

Dec 26, 2013 City of Wonders Full Version (0.61mb) 0 comments

City of Wonders is a Half Life 2 mod, in which you are enclosed in an urban complex, with four men. You have to defend yourself against the hordes of...

The Forgotten Ones Version 2.3.0 SDK 2013 Full
Half-Life 2

The Forgotten Ones Version 2.3.0 SDK 2013 Full

Dec 8, 2013 The Forgotten Ones Full Version (2,010.73mb) 6 comments

The Forgotten Ones has been converted to SDK 2013, this has solved all crash related issues. No hacky workarounds has not been needed to make the mod...

Source Multi-Tool 1.0
Half-Life 2

Source Multi-Tool 1.0

Nov 23, 2013 Garrys Mod Mapping Tool (0.91mb) 4 comments

I've been working away at this for quite awhile now and after many revisions I'm happy to release version 1.0 of the new Source Multi-Tool. Source Multi-Tool...

Black Snow Coop Server Files
Half-Life 2

Black Snow Coop Server Files

Mar 31, 2013 Black Snow Coop Server (7.06mb) 11 comments

Black Snow Coop v1.2.0 Server Files + Fixes, Read more for update log.

Black Snow Coop v1.2.0
Half-Life 2

Black Snow Coop v1.2.0

Mar 31, 2013 Black Snow Coop Patch (137.58mb) 18 comments

Black Snow Coop v1.2.0 features great fixes, extended gameplay, new ending, new intro, more fun! And even better, you can experience all this with three...

Black Mesa Source FGD
Half-Life 2

Black Mesa Source FGD

Jan 26, 2013 Half-Life 2 Mapping Tool (0.01mb) 1 comment

FGD for Black Mesa Source use in valve hammer editor (Source SDK)

Garry's Mod 13 FGD
Half-Life 2

Garry's Mod 13 FGD

Jan 24, 2013 Garrys Mod Mapping Tool (0.00mb) 2 comments

FGD for Garry's mod 13 use in valve hammer editor (Source SDK)

SecretOfTheSickness standalone full
Half-Life 2: Episode One

SecretOfTheSickness standalone full

Sep 22, 2012 Secret Of The Sickness Full Version (1,835.54mb) 3 comments

A little surprise, you can download this mod by clicking download button, no links, no parts. This download consists installation file and instructions...

Elements of War 1337 Board v8
Half-Life 2

Elements of War 1337 Board v8

Jan 2, 2012 Elements of War Full Version (0.61mb) 18 comments

Elements of War: 1337 Board is a HotkeyZ Menu based on Config.cfg from id Software's Quake engine and Valve Software's Gold Source and Source engines...

NovaCor_Wallpapers.rar
Half-Life 2: Episode Two

NovaCor_Wallpapers.rar

Oct 30, 2011 NovaCor: The Fringe Wallpapers (34.65mb) 6 comments

An updated desktop background set. Added several color schemes and a few more resolutions.

Gabe Newell Interview
Half-Life

Gabe Newell Interview

Jun 7, 2011 Half-Life Audio (47.94mb) 12 comments

William and Glenn are pleased to interview Gabe and Kutta from Valve Software.

Source Sauce
Half-Life 2

Source Sauce

Apr 19, 2011 Garrys Mod Plugin (0.25mb) 26 comments

A simple Out-Of-Game Tool that let's you set options for multiple Source Games at once, and even let's you set options that are not normally available...

Project Vanishing Point "Welcome to Voltora" HD
Half-Life 2

Project Vanishing Point "Welcome to Voltora" HD

Mar 2, 2011 Project Vanishing Point Trailers (69.87mb) 0 comments

trailer in HD. Project Vanishing Point "Welcome to Voltora" Trailer Showing off the world of the mod and a little glimpse of gameplay in the current alpha...

Project Vanishing Point Alpha 3 Teaser HD
Half-Life 2

Project Vanishing Point Alpha 3 Teaser HD

Jan 8, 2011 Project Vanishing Point Trailers (89.48mb) 5 comments

Just the teaser featured here on the page but in HD.

Sebastian
Half-Life 2: Episode One

Sebastian

Jan 1, 2011 Sebastian Full Version (36.72mb) 6 comments

Sebastian: A Half-Life 2: Episode One mod With the Citadel on the verge of a catastrophic meltdown, Barney and Gordon Freeman are trying to escape City...

Galactopticon SVN snippet - Dec 3rd
Half-Life 2

Galactopticon SVN snippet - Dec 3rd

Dec 3, 2010 Tales from the Galactopticon Demo (363.82mb) 10 comments

Everything we had by 3rd of December. If you don't want to use SVN, download this.

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Half-Life 2: Episode One
Platforms
Windows, Mac, PS3, X360
Developer & Publisher
Valve
Engine
Source
Contact
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Official Page
Store.steampowered.com
Release Date
Released May 31, 2006
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