Stepping into the hazard suit of Dr. Gordon Freeman, you face the immediate repercussions of your actions in City 17 and the Citadel. Rejoin Alyx Vance and her robot, Dog, to once again aid the human resistance in their desperate battle against the totalitarian alien menace of the Combine.

Episode One is the first in a planned trilogy of adventures that extends the award-winning and best-selling Half-Life adventure. New Source Engine technology was introduced in Episode One to support advanced artificial intelligence, new levels of graphics and character interaction.

  • View media
  • View media
  • View media
  • View media
  • View media
  • View media

RTSL: 2015 Awards

News 7 comments

Our friends over at RUN. THINK. SHOOT. LIVE. Recently ran their 2015 awards showcasing the best Half-Life content!

Featuring amazing single player maps and mods, covering the whole Half-Life series, there's something for everyone, on to the winners!

Best Source Release - Transmissions: Element 120

1100-te120-01

Best GoldSource Release - Arctic Incident

1100-arctic-incident

Best Ville Release - RunThinkShootLiveVille

1100-rtslville

1100-rtslville

Best Moment in a Release - VerticalVilleTwo

1100-verticalvilletwo

Most Anticipated Release - The Core

cores

There's over 1300 other maps for you to enjoy, go expand your Half-Life mod catalog!

Congratulations to all winners, we look forward to your creations in 2016, Keep up the awesome work!

Genetic Variation Article #5: Undefined Entity and WIP stuff

Genetic Variation Article #5: Undefined Entity and WIP stuff

News 5 comments

This week, we've finally finished our main theme song and we have a little bit of things to show you. Take a look.

Genetic Variation Article #4: More music and Misc

Genetic Variation Article #4: More music and Misc

News 3 comments

It's that time of the week again, the week to showcase some stuff. Not much, but hope you like anything you see.

Genetic Variation Article #3: Music & Headcrabs

Genetic Variation Article #3: Music & Headcrabs

News 9 comments

Come listen to a test Soundtrack we made for our mod, as well as an early weapon.

Version 1.0 announced!

Version 1.0 announced!

News 7 comments

Time to break a month long hiatus. Version 1.0 is coming out at July 31.

Half-Life 2 Enhanced Download

Half-Life 2 Enhanced Download

Full Version 15 comments

This is the download. The big download. Some articles in the homepage of this mod can help you configure the mod to your settings. If there are problems...

Sebastian Patch - Source SDK 2013

Sebastian Patch - Source SDK 2013

Sebastian Patch 6 comments

This patch fixes most issues related to engine branch incompatibility and is designed to run using the latest "Beta" of Source SDK Base 2013 Singleplayer...

Nightfall Mod (SDK)

Nightfall Mod (SDK)

Other 3 comments

To play this SDK Version of Nightfall, you will need a copy of Half-Life 2: Episode one installed This is not a final version, nor is intended to indicate...

The Forgotten Ones - Version 2.4.0 [Patch]

The Forgotten Ones - Version 2.4.0 [Patch]

Patch 4 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

City of Wonders

City of Wonders Full Version 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

The Forgotten Ones Version 2.3.0 SDK 2013 Full

Full Version 7 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...

Post comment Comments  (0 - 10 of 23)
Guest
Guest

No half life 2 episode 1 mods? why are there no episode 1 mods which follow the same story as in episode 1? There are tons of mods that follow episode 2 but why not episode 1? There are only 2 mods but both are however Broken

Reply Good karma Bad karma0 votes
Samuneitor
Samuneitor

MINERVA Metastasis

Reply Good karma Bad karma+1 vote
RyderNumberOne
RyderNumberOne

Good Game

Reply Good karma Bad karma+1 vote
Guest1982
Guest1982

Zombine.

Reply Good karma Bad karma+3 votes
anastasiatasha
anastasiatasha

how can i download it, i tried already. all i can do is create a short-cut..

Reply Good karma Bad karma+1 vote
Dark-Shadow
Dark-Shadow

So how do I download it? Does it work on Lion?

Reply Good karma Bad karma+2 votes
Opinionator
Opinionator

Any good single player mods for HL2 thats are not posted on Moddb?

Reply Good karma Bad karma+3 votes
boodah72
boodah72

half life 2 episode 3 FTW

Reply Good karma Bad karma+2 votes
RangerC
RangerC

i bought it for the lulz.

Reply Good karma Bad karma-4 votes
cky2250
cky2250

takes 1.2k to make this 1min clip then why do we wast cash on movies just so to cruse can buy a $1 million thong

Reply Good karma Bad karma+3 votes
Post a comment

You are not logged in, your comment will be anonymous unless you join the community. Or sign in with your social account:

Icon
Half-Life 2: Episode One
Platforms
Windows, Mac, X360, PS3
Developer & Publisher
Valve
Engine
Source
Contact
Send Message
Release date
Game watch
Start tracking
Share
Community Rating

Average

9.2

209 votes submitted.

You Say

-

Ratings closed.

Highest Rated (4 agree) 9/10

Good a little short and the gameplay wasn't as good as HL2 nor Episode 2 but still a great game.

Nov 21 2010 by X-LAyer2

Lowest Rated (2 agree) 1/10

its like thej (mah kebd is broken and thats wh mah spellin sucks) started from the end of hl2 and then u plaj a cpl of the last maps, in reverse

Feb 24 2013 by ice_trey

Style
Theme
Sci-Fi
Players
Single Player
Project
AAA
Boxart
Boxart
Series
Half-Life
Half-Life First Person Shooter
Half-Life: Source
Half-Life: Source First Person Shooter
Half-Life 2
Half-Life 2 First Person Shooter
Half-Life 2: Lost Coast
Half-Life 2: Lost Coast First Person Shooter
Half-Life 2: Episode One
Half-Life 2: Episode One First Person Shooter
Half-Life 2: Episode Two
Half-Life 2: Episode Two First Person Shooter
Embed Buttons
Link to Half-Life 2: Episode One by selecting a button and using the embed code provided more...
Half-Life 2: Episode One
Statistics
Last Update
Watchers
262 members
Mods
11
Addons
44
Downloads
24
Articles
89
Reviews
29