The Source engine is a 3D game engine developed by Valve Corporation. Its unique features include a large degree of modularity and flexibility, an artist-driven, shader-based renderer, accurate lip sync and facial expression technology, and a powerful, efficient and completely network-enabled physics system.

Downloads RSS Feed Summary List Downloads  (1710 - 1740 of 2,012) (view official)
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Added | Game Name | Type
[AoC] Revalk's L4D Config v1.0
Left 4 Dead

[AoC] Revalk's L4D Config v1.0

Jan 4, 2009 Left 4 Dead Other (0.00mb) 4 comments

A script for L4D that should cover everything you'd want, plus some shiny extras. It's very easy to install, and has all the main features you'll want...

Zombie Master Beta 1.2.1 - Linux dedicated server
Half-Life 2

Zombie Master Beta 1.2.1 - Linux dedicated server

Jan 4, 2009 Zombie Master Server (50.92mb) 8 comments

Server-only version of ZM 1.2.0 for Linux servers.

Zombie Master Beta 1.2.1 - Windows installer
Half-Life 2

Zombie Master Beta 1.2.1 - Windows installer

Jan 4, 2009 Zombie Master Full Version (68.99mb) 74 comments

Full installer of ZM version 1.2.1, for players and Windows servers.

Empires V2.21 Server Patch
Half-Life 2

Empires V2.21 Server Patch

Jan 3, 2009 Empires Server (82.70mb) 0 comments

This will patch the Empires v2.2 server to Empires v2.21. Empires v2.2 must be installed. This is only for servers!

ARCHIVED: Empires V2.21 Client Patch
Half-Life 2

ARCHIVED: Empires V2.21 Client Patch

Jan 3, 2009 Empires Patch (82.51mb) 5 comments

NOTE: This is an archived version of Empires Mod. Download the latest version of Empires Mod on Steam! This will patch Empires v2.2 to Empires v2.21...

SourceForts v1.9.4.1 Installer
Half-Life 2

SourceForts v1.9.4.1 Installer

Jan 3, 2009 SourceForts Full Version (139.75mb) 15 comments

Version 19.4.1 improves SourceForts further with various fixes and updates.

Old School Beta 1.2
Half-Life 2

Old School Beta 1.2

Jan 2, 2009 HALF-LIFE² Old School Full Version (458.01mb) 2 comments

If you have any probleme with HL² old school, you can try this new version. This beta of Half-Life 2 Old School doesn't use the orange box engine yet...

NEOTOKYO° 214 - Nimbus
Half-Life 2

NEOTOKYO° 214 - Nimbus

Jan 2, 2009 NEOTOKYO° Music (10.41mb) 2 comments

NEOTOKYO° 214 - Nimbus is another song in the NT Soundtrack which was created by the talented Ed Harrison (Logic)

NEOTOKYO° 205 - Welcome
Half-Life 2

NEOTOKYO° 205 - Welcome

Jan 2, 2009 NEOTOKYO° Music (8.64mb) 0 comments

NEOTOKYO° 205 - Welcome is another song in the NT Soundtrack which was created by the talented Ed Harrison (Logic)

Combine Force Citadel City17 Demo v1.1
Half-Life 2

Combine Force Citadel City17 Demo v1.1

Jan 2, 2009 The Combine Forces Destiny DEAD Full Version (76.41mb) 7 comments

new version update of combine force citadel city17 demo v1.1

Battlegrounds 2 1.2.1b Installer
Half-Life 2

Battlegrounds 2 1.2.1b Installer

Dec 30, 2008 Battle Grounds 2 Full Version (300.43mb) 19 comments

Released in October 28, 2008: Battlegrounds 1.2.1b includes a handful of small tweaks as well as a port to the Orangebox Engine, as well as a few new...

Absence
Half-Life 2

Absence

Dec 30, 2008 Absence Full Version (172.05mb) 2 comments

Absence - Mod for Half-Life 2. Demonstration of a 3rd-person adventure game. Part of a student project at Salford University, UK.

Curse episodes teaser 2
Half-Life 2

Curse episodes teaser 2

Dec 30, 2008 CURSE Trailers (78.41mb) 0 comments

Curse episodes teaser 2 in tasty 720p (Xvid) Featuring some melee action and raspy,overamplified audio. Yay!

DeadWood
Half-Life 2

DeadWood

Dec 29, 2008 DeadWooD Full Version (671.40mb) 18 comments

After 4 years of Dev and 6 month of real work, we release this not completed game as-is. We hope some people will like it how it is. Enjoy!

IOSS 1.0d Server Patch (Linux)
Half-Life 2

IOSS 1.0d Server Patch (Linux)

Dec 28, 2008 International Online Soccer Source Patch (3.83mb) 0 comments

This is a server patch for IOSS. Please download the file and untar to /ios/bin. This patch contains fixes from all previous patches.

IOSS 1.0d Server Patch (Windows)
Half-Life 2

IOSS 1.0d Server Patch (Windows)

Dec 28, 2008 International Online Soccer Source Patch (1.97mb) 0 comments

This is a server patch for IOSS. Please download the file and unzip to Sourcemode/ios/bin. This patch includes fixes from all previous patches.

Obsidian Beta 1.34 Full
Half-Life 2

Obsidian Beta 1.34 Full

Dec 27, 2008 Obsidian Conflict Full Version (385.73mb) 28 comments

Note: Only choose "Install client only" or the mod wont install properly.

Obsidian Beta 1.33 to 1.34 Patch
Half-Life 2

Obsidian Beta 1.33 to 1.34 Patch

Dec 27, 2008 Obsidian Conflict Patch (43.02mb) 1 comment

Note: Only choose "Patch client only" or the mod wont install properly.

Celcius wallpaper
Half-Life 2

Celcius wallpaper

Dec 26, 2008 Celsius Wallpapers (0.06mb) 1 comment

1024x768 wallpaper for the game celcius, (You're name is Alex Cage. You have been framed of murder. You must escape the police and prove your innocence...

RnL Alpha 3 - Full install
Half-Life 2

RnL Alpha 3 - Full install

Dec 23, 2008 Resistance & Liberation Full Version (537.80mb) 11 comments

We've been delaying that patch for way too long, so as a Christmas present to you and us, we decided to finally get it out. With this patch you will get...

Varion Demo.
Half-Life 2

Varion Demo.

Dec 22, 2008 Varion Demo (73.60mb) 8 comments

Finally Varion 0.5 has been released to the public. Hope you enjoy the mod please report any bugs if you find any.

Zombie Co-Op Level 1 Demo
Half-Life 2

Zombie Co-Op Level 1 Demo

Dec 20, 2008 Zombie Co-Op Demo (1.15mb) 3 comments

Here it is. Level 1 beta. All known gameplay bugs fixed, and since the demo does not support co-op yet, four ai players to aid you. Known issues: -Menu...

HMS Defiance 2 full install
Half-Life 2

HMS Defiance 2 full install

Dec 19, 2008 HMS Defiance 2 Full Version (106.06mb) 7 comments

This installer will install HMS Defiance 2 to your computer. Simply run the installer, restart steam and you're ready to play HMS Defiance 2.

Official NTS Trailer - 480p
Half-Life 2

Official NTS Trailer - 480p

Dec 13, 2008 NEOTOKYO° Trailers (64.89mb) 3 comments

The long awaited Official NEOTOKYO° Source Trailer in 480p

Official NTS Trailer - 720p
Half-Life 2

Official NTS Trailer - 720p

Dec 13, 2008 NEOTOKYO° Trailers (136.95mb) 4 comments

The long awaited Official NEOTOKYO° Source Trailer in 720p

NEOTOKYO° 204 - Scrap IO
Half-Life 2

NEOTOKYO° 204 - Scrap IO

Dec 13, 2008 NEOTOKYO° Music (13.01mb) 4 comments

NEOTOKYO° 204 - Scrap IO is another song in the NT Soundtrack which was created by the sexellent Ed Harrison (Logic)

Empires V2.2 Server Install
Half-Life 2

Empires V2.2 Server Install

Dec 12, 2008 Empires Server (284.43mb) 3 comments

This server installer is a zip file that contains all files required to run an Empires v2.2 server. It does not allow you to run the client.

ARCHIVED: Empires V2.2 Client Install
Half-Life 2

ARCHIVED: Empires V2.2 Client Install

Dec 12, 2008 Empires Full Version (741.78mb) 21 comments

NOTE: This is an archived version of Empires Mod. Download the latest version of Empires Mod on Steam! This will install the Empires v2.2 client. Any...

Suicide Survival 1.1
Half-Life 2

Suicide Survival 1.1

Dec 12, 2008 Suicide Survival Full Version (38.99mb) 67 comments

This is release 1.1 of the HL2 mod Suicide Survival.

Half-Life 2 Evolution 1.1
Half-Life 2

Half-Life 2 Evolution 1.1

Dec 10, 2008 Half-Life 2 Evolution Full Version (92.41mb) 6 comments

Finally it is here. Enjoy the new version and join us at our official site.

Platforms
Windows, PS3, X360, XBOX
Company
Valve
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Official Page
Valvesoftware.com
Licence
Commercial
Release Date
Released Oct 31, 2004
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