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
Lambda Wars 2.3.6 FULL 7z
Alien Swarm

Lambda Wars 2.3.6 FULL 7z

Jun 9, 2014 Lambda Wars Full Version (1,071.11mb) 2 comments

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods). 2. Restart...

Metro Mod 1.2
Half-Life 2: Episode Two

Metro Mod 1.2

Jun 7, 2014 Half-Life Metro Mod Patch (213.35mb) 1 comment

This is a unofficial patch that makes this mod work better with the latest version of steam and the source engine. Credit to Eugene7787 for the original...

Rexaura v1.3
Portal

Rexaura v1.3

Jun 7, 2014 Rexaura Full Version (225.44mb) 4 comments

This is the full release of Rexaura. It features the full campaign, dialogue, music, and bonus chambers.

Climbox 1.0
Half-Life 2

Climbox 1.0

Jun 1, 2014 Half Life : Climbox Full Version (45.42mb) 3 comments

ENGLISH : The first release of Climbox and probably the last one ( Or not if you find some bug which needs to be fix) This mod is a really small project...

Patch 1.07 to 1.08
Alien Swarm

Patch 1.07 to 1.08

May 23, 2014 Alien Swarm: Reactive Drop Patch (19.87mb) 2 comments

Extract this into sourcemods. Requires version 1.07 installed

The Masked Prisoner (blockout) - v1.1 installer
Half-Life 2: Episode Two

The Masked Prisoner (blockout) - v1.1 installer

May 21, 2014 The Masked Prisoner Full Version (48.10mb) 1 comment

This is the original blockout version of the mod. You can play this to see how the mod changed over the course of playtesting and responding to feedback...

Portal: Audio Mod V0.5
Portal

Portal: Audio Mod V0.5

May 20, 2014 Portal Demo (339.41mb) 0 comments

V0.5 - Added music, but it is still a bit "rough around the edges". Those "edges" will be smoothed in V0.6, which will be releasing soon.

CUBE SIGN
Half-Life 2

CUBE SIGN

May 15, 2014 CUBE SIGN Full Version (244.38mb) 0 comments

CUBE SIGN Producer: LordOf Xen Half-Life 2 Single Player and Multiplayer Mod Jay'S Advanced Mode, you know his status here you can see the video or Starring...

Midgaard 2.3.1
Half-Life 2

Midgaard 2.3.1

May 11, 2014 Midgaard Full Version (230.15mb) 8 comments

Since pretty much nobody got to the "real" ending, i made it more streamlined.

Darkness 1.6 Beta 2 Linux tarball
Half-Life 2

Darkness 1.6 Beta 2 Linux tarball

May 10, 2014 Darkness: Source Full Version (42.83mb) 1 comment

This is the Linux build of Darkness 1.6 Beta 2. Restart steam after extracting it to your Steam/SteamApps/sourcemods directory.

Darkness 1.6 Beta 2 OS X tarball
Half-Life 2

Darkness 1.6 Beta 2 OS X tarball

May 10, 2014 Darkness: Source Full Version (42.45mb) 0 comments

This is the OS X beta tarball. Restart Steam after extracting to ~/Library/Application Support/Steam/SteamApps/sourcemods.

Darkness 1.6 Beta 2 Windows EXE
Half-Life 2

Darkness 1.6 Beta 2 Windows EXE

May 10, 2014 Darkness: Source Full Version (39.60mb) 0 comments

This is the Windows executable installer for Darkness 1.6 beta 2.

Lambda Wars 2.3.5 7z PATCH
Alien Swarm

Lambda Wars 2.3.5 7z PATCH

May 10, 2014 Lambda Wars Patch (194.41mb) 4 comments

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods) and overwrite...

Lambda Wars 2.3.5 FULL EXE
Alien Swarm

Lambda Wars 2.3.5 FULL EXE

May 10, 2014 Lambda Wars Full Version (1,144.14mb) 6 comments

Install Instructions: 1. Run the Installer and follow the instructions. 2. Restart steam. 3. "Lambda Wars" should now appear in your games list. If you...

Lambda Wars 2.3.5 FULL 7z
Alien Swarm

Lambda Wars 2.3.5 FULL 7z

May 10, 2014 Lambda Wars Full Version (1,135.26mb) 0 comments

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods). 2. Restart...

Outer Heaven Mercenaries wallpaper
Alien Swarm

Outer Heaven Mercenaries wallpaper

May 9, 2014 Metal Gear Remake Wallpapers (1.07mb) 0 comments

A wallpaper made by our modeler/2d artist for our upcoming mod.

Rhythm Heaven Fever Tank Mod Download
Left 4 Dead 2

Rhythm Heaven Fever Tank Mod Download

May 6, 2014 Rhythm Heaven Fever Tank Mod Music (150.38mb) 1 comment

its super great and I worked really hard. 50 at length? jeeee eee ee ee e e e e e e e eee z man that's too much. LIke really too much. a level of too...

Portal 1 cube replacement for Portal 2
Portal 2

Portal 1 cube replacement for Portal 2

May 4, 2014 Portal 2 Full Version (0.54mb) 3 comments

This file contains the materials and models of the cube and companion cube as well and check the Description for the tutorial

jimmy nutrin mod 0.4
Half-Life 2

jimmy nutrin mod 0.4

May 1, 2014 jimmy nutrin Full Version (18.37mb) 3 comments

A short mod that is a take on the Jimmy Nutrin Vid called Jimmy Neutron Happy Family Happy Hour

Hypomania (v1.0)
Half-Life 2: Episode Two

Hypomania (v1.0)

May 1, 2014 Hypomania Full Version (1,107.97mb) 0 comments

Open the downloaded .zip file and put the content (folder named Hypomania) inside your steam/steamapps/sourcemods/ folder. Restart Steam. The game requires...

EXIT v1.2
Half-Life 2

EXIT v1.2

May 1, 2014 Half-Life 2: EXIT Full Version (53.97mb) 2 comments

Version 1.2 Some bugfixes and some other very small changes.

Midgaard 2.3 (Unstable)
Half-Life 2

Midgaard 2.3 (Unstable)

Apr 30, 2014 Midgaard Full Version (230.15mb) 2 comments

I gotta release this, it's been too long. Please post any bugs/glitches as soon as you find them.

Portal 1 gun for Portal 2
Portal 2

Portal 1 gun for Portal 2

Apr 30, 2014 Portal 2 Full Version (5.96mb) 1 comment

This contains the material and model of the first Portal gun from Portal 1 It took me a long time to do this so hopefully you like this pack and yeah...

EXIT v1.1
Half-Life 2

EXIT v1.1

Apr 28, 2014 Half-Life 2: EXIT Full Version (53.55mb) 0 comments

Version 1.1 of EXIT, with some small changes, and also a few new areas. Extending the mod some minutes.

Twelve Absent Men - Beta 2
Half-Life 2: Episode Two

Twelve Absent Men - Beta 2

Apr 28, 2014 Twelve Absent Men Full Version (206.38mb) 3 comments

*NB: Unzip the file into your common/Half-Life 2 folder* This is the first beta release of the mod, including a trial, prison escape sequence, and a couple...

Estranged: Act I Source Code
Half-Life 2

Estranged: Act I Source Code

Apr 19, 2014 Estranged Script (167.00mb) 5 comments

The full C++/shader source code for Estranged: Act I. For programmers!

JR Life v1.0
JR Life

JR Life v1.0

Apr 19, 2014 JR Life Full Version (22.81mb) 7 comments

This is version 1.0 of JR Life which includes the sandbox game mode. This game requires that you have steam installed to play if you don't go to steampowered.com...

Patch 1.04 to 1.07
Alien Swarm

Patch 1.04 to 1.07

Apr 16, 2014 Alien Swarm: Reactive Drop Patch (68.37mb) 0 comments

Extract archive into sourcemods. Requires 1.04 or higher version installed.

Unknown Half-Life 2 v1.1
Half-Life 2

Unknown Half-Life 2 v1.1

Apr 13, 2014 Unknown Half-Life 2 [v2.0] Full Version (26.20mb) 18 comments

Only needs "Source SDK Base 2006" + "Half-Life 2" installed.

Reactive Drop 1.04
Alien Swarm

Reactive Drop 1.04

Apr 9, 2014 Alien Swarm: Reactive Drop Full Version (1,046.10mb) 2 comments

Full version. Extract archive into sourcemods. Core features are 8 players support, Rifle Mod features, PvP game modes.

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