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.

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Added | Game Name | Type
zs_infected_city_b1
Left 4 Dead

zs_infected_city_b1

Mar 10, 2009 Left 4 Dead Full Version (3.74mb) 2 comments

More like a Demo, Final Version coming soon after the L4D SDK. There is a Spawn Glitch Soundscapes are buggy or not working Overall Geometry and Skybox...

Reaction - "Explosions" Trailer (HD)
Half-Life 2: Episode One

Reaction - "Explosions" Trailer (HD)

Mar 9, 2009 Reaction Trailers (91.97mb) 0 comments

This is a trailer we made to promote ourselves for GDC. We just want to show some of the updates we've made, primarily the changes in gameplay situations...

Reaction Teaser 1 (HD)
Half-Life 2: Episode One

Reaction Teaser 1 (HD)

Mar 9, 2009 Reaction Trailers (117.90mb) 0 comments

Teaser 1 -- This is a basic flyby of an earlier version of the level. You can see that the level is stacked on top of each other; we changed this eventually...

Introduction to Decadence
Half-Life 2

Introduction to Decadence

Mar 9, 2009 Decadence Movies (255.39mb) 0 comments

Learn everything you need in order to play Decadence! Decadence will release in March. For more information, visit us at www.decadencemod.com

Theme Music
Half-Life 2

Theme Music

Mar 7, 2009 Jailbreak! Music (1.10mb) 5 comments

The theme music for Jailbreak! This was also used as the intro music to the Developer Banter that featured the Jailbreak team.

Sity: Episode 1: Chapter 1
Half-Life 2

Sity: Episode 1: Chapter 1

Mar 1, 2009 Sity Full Version (9.49mb) 12 comments

Here it is; the first chapter of the first episode of Sity. It's an introduction to the storyline and gameplay of Sity. I've been working towards this...

VTMB Companion Mod
Vampire: The Masquerade – Bloodlines

VTMB Companion Mod

Feb 25, 2009 VTMB Companion Mod Full Version (174.07mb) 18 comments

VTMB Companion Mod adds party members and traveling companions to the game Vampire The Masquerade Bloodlines.

VTMB Official 1.2 Patch
Vampire: The Masquerade – Bloodlines

VTMB Official 1.2 Patch

Feb 24, 2009 Vampire: The Masquerade – Bloodlines Patch (15.23mb) 14 comments

This patch will update Vampire: The Masquerade - Bloodlines to version 1.2. The patch addresses a number of known issues, including fixes for the Society...

Left 4 Dead Survival 101 demo map, beta 0.5
Half-Life 2

Left 4 Dead Survival 101 demo map, beta 0.5

Feb 19, 2009 Survival 101 Demo (4.21mb) 4 comments

Left 4 Dead Survival 101 beta 0.5 demo map released!

BS:SH - Fear the Future
Half-Life 2

BS:SH - Fear the Future

Feb 17, 2009 BLACKSECTOR Wallpapers (0.38mb) 5 comments

BlackSector: Subject H.O.R.I.Z.O.N. Fear the Future 1024 x 768

FIXED - MA Stargate Map Pack 2
Counter-Strike: Source

FIXED - MA Stargate Map Pack 2

Feb 16, 2009 Mappers-Alliance Full Version (78.03mb) 1 comment

This is the 'Fixed' (No Longer 12Kb) 2nd Stargate Themed Map Pack from the Mappers-Alliance for CounterStrike Source.

FIXED - MA Stargate Map Pack 1
Counter-Strike: Source

FIXED - MA Stargate Map Pack 1

Feb 16, 2009 Mappers-Alliance Full Version (98.55mb) 0 comments

This is the 'Fixed' (No Longer 12Kb) 1st Stargate Themed Map Pack from the Mappers-Alliance for CounterStrike Source.

FF 2.3 Patch Installer
Half-Life 2

FF 2.3 Patch Installer

Feb 10, 2009 Fortress Forever Patch (78.39mb) 7 comments

This exe file will update Fortress Forever 2.2 to 2.3 for client players

FF 2.3 Patch Server (TAR.GZ)
Half-Life 2

FF 2.3 Patch Server (TAR.GZ)

Feb 9, 2009 Fortress Forever Server (110.52mb) 0 comments

This tar.gz file will update Fortress Forever 2.2 servers to 2.3

FF 2.3 Patch Server (ZIP)
Half-Life 2

FF 2.3 Patch Server (ZIP)

Feb 9, 2009 Fortress Forever Server (114.89mb) 2 comments

This zip file will update Fortress Forever 2.2 servers to 2.3

Eye of the Storm episode I full 1.0
Half-Life 2

Eye of the Storm episode I full 1.0

Feb 8, 2009 Eye of the Storm Full Version (94.93mb) 24 comments

Final version of first episode. I hope you like it! You need to have Half-life 2: Episode Two.

GoldenEye: Source [Beta 3 OST]
Half-Life 2

GoldenEye: Source [Beta 3 OST]

Feb 6, 2009 GoldenEye: Source Full Version (121.49mb) 4 comments

[Old Version] The original sound track for GoldenEye Source beta 3. Stand alone music for your media players

The Online Gallery SP Demo 1.5
Half-Life 2

The Online Gallery SP Demo 1.5

Feb 5, 2009 The Online Gallery Demo (235.01mb) 0 comments

This is the 1.5 Demonstration, In this demonstration it shows the way the Online Gallery is going, including music and the ability to replace the images...

R e b e l l i o n   v1.3
Half-Life 2

R e b e l l i o n v1.3

Feb 4, 2009 R e b e l l i o n Full Version (98.82mb) 17 comments

R e b e l l i o n - Version 1.3 Requirements : * Half-Life² - Just the base game, Episode one and two are not required, but won't do bad if installed...

Stargate: The Last Stand 1.1 Server Patch
Half-Life 2

Stargate: The Last Stand 1.1 Server Patch

Feb 3, 2009 Stargate : The Last Stand Full Version (92.49mb) 1 comment

After our first release we have been working very hard in the background to fix all bugs that have been submitted and to add a few things here and there...

Stargate: The Last Stand 1.1 Server Full
Half-Life 2

Stargate: The Last Stand 1.1 Server Full

Feb 3, 2009 Stargate : The Last Stand Full Version (574.78mb) 1 comment

After our first release we have been working very hard in the background to fix all bugs that have been submitted and to add a few things here and there...

Stargate: The Last Stand 1.1 Client Full
Half-Life 2

Stargate: The Last Stand 1.1 Client Full

Feb 3, 2009 Stargate : The Last Stand Full Version (391.47mb) 7 comments

After our first release we have been working very hard in the background to fix all bugs that have been submitted and to add a few things here and there...

Stargate: The Last Stand 1.1 Client Patch
Half-Life 2

Stargate: The Last Stand 1.1 Client Patch

Feb 3, 2009 Stargate : The Last Stand Patch (45.26mb) 5 comments

After our first release we have been working very hard in the background to fix all bugs that have been submitted and to add a few things here and there...

The Great Forever Tomorrow
Half-Life 2

The Great Forever Tomorrow

Feb 2, 2009 The Great Forever Tomorrow Full Version (146.27mb) 12 comments

This is everything you need (provided you have Half Life 2 Episode 2 and Steam) to play the mod, including installation instructions. The mod is a singleplayer...

Portal: Prelude 1.1.5 (complete installer)
Portal

Portal: Prelude 1.1.5 (complete installer)

Feb 2, 2009 Portal: Prelude Full Version (792.63mb) 101 comments

This new version is shipped with more than 115 bug fixes, improvements and additions (since 1.0.0). We know everything's still not perfect, but we believe...

Decadence Trailer
Half-Life 2

Decadence Trailer

Feb 1, 2009 Decadence Trailers (44.13mb) 1 comment

Trailer for the upcoming Half-Life 2 mod Decadence. For more information, visit us at decadencemod.com Release date: March 2009

Dark World Demo
Half-Life 2

Dark World Demo

Feb 1, 2009 Dark World Demo (22.93mb) 11 comments

Here's a litle taste of what the game is going to be. The demo includes two example maps to get you in the mood :)

ZPS - Barricade System
Half-Life 2

ZPS - Barricade System

Jan 28, 2009 Zombie Panic: Source Movies (121.10mb) 0 comments

Zombie Panic: Source v1.5 will introduce the ZPS Barricade System. Here is a short preview of it in action. (Note: The HUD display is not visible in the...

ZPS - Descent
Half-Life 2

ZPS - Descent

Jan 28, 2009 Zombie Panic: Source Music (3.95mb) 1 comment

New Zombie Panic: Source ambient track "Descent" - By KillahMo

The Myriad Teaser HD
Unreal Tournament 3

The Myriad Teaser HD

Jan 27, 2009 The Myriad Trailers (2.93mb) 8 comments

This is the HD version for The Myriad Teaser Trailer.

Platforms
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Company
Valve
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Official Page
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Licence
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Release Date
Released Oct 31, 2004
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