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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.

The Source engine was first shown to the world by being the power-horse behind the hugely anticipated Half-Life 2 which was released in late 2004. Since then the Source Engine has been upgraded with the release of such titles as Half-Life 2: Lost Coast, Team Fortress 2 and the Left 4 Dead series to name a few.

Whilst it has been years since the release of the Source Engine they haven't yet unveiled a 'next-generation engine' as the Source engine is always updating and is just as relevant in the gaming world today if not more than when it debuted in 2004. It has been aided by the release of the free Source Development Kit (SDK) which include such features as HDR for developers to use in their projects. Hence the reasons stated we have yet to see 'Source Engine 2'.

On July 10th 2012, Valve released the 'Source Filmmaker' - a freeware client to allowed anyone to make movies inside the Source Engine. More information on the Source Filmmaker can be found here.

Below you can find a list of amazing features that the Source Engine boasts:

Renderer

  • Version 2.0 (and below) shaders, bump mapping, LOD on models and world
  • Author shaders with HLSL
  • Cube and environment mapping
  • Dynamic lights, vertex lighting and light maps, many light types including flickering, pulsing etc.
  • High-Dynamic Range lighting
  • Water with refraction and fresnel effects
  • Advanced particle system that can emit sprites or models
  • Projected shadows allow for a large number of characters per scene
  • Occluder entities for visibility blocking
  • Indoor/Outdoor environments
  • Deformable terrain
  • 3D skyboxes extend the horizon and add parallax on distant objects
  • Dynamically rendered organics (grass, trees etc)
  • Subdivision surfaces, diffuse & specular bump maps
  • Real-time radiosity lighting
  • Effects include but are not limited to: particles, beams, volumetric smoke, sparks, blood, environmental effects like fog and rain
  • Scalability
  • Dx6-Dx9 hardware supported

Materials System

  • Instead of traditional textures, Source defines sets of materials that specify what the object is made from and the texture used for that object. A material specifies how an object will fracture when broken, what it will sound like when broken or dragged across another surface, and what that object’s mass and buoyancy are. This system is much more flexible than other texture only based systems.
  • Materials can interact with objects or NPCs such as mud or ice for vehicles to slide/lose traction on.

Multiplayer Network Code

  • Time and gamer tested by millions of gamers around the world
  • Support for both LAN based multiplayer and Internet based multiplayer games
  • Prediction analysis for interpolating collision/hit detection
  • Optimizations for high-latency, high-packet loss 56k connections

Advanced Characters

  • Detailed and believable characters
  • Realistic eyes
  • Focus on player/object, not simply parallel views
  • Proper eye “bulge” for realistic eye reflections
  • Simulated musculature provides outstanding emotions, speech and body language
  • Language independent speech, characters can naturally speak in many languages
  • Skeletal/bone system for animation
  • Layered animation system can synthesize complex animations out of several pieces
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Remembering the U.S. Embassy in Saigon

one of the most iconic buildings of the Vietnam War, carefully restored and brought back to life.

On March 30, 1965, the First U.S. Embassy was hit by a car-bomb detonated by the Viet Cong. Due to security concerns the United States decided to build the Second U.S. Embassy with greater protection. After two years of construction the embassy was opened on September 29, 1967.

At the beginning of the Tet Offensive on the morning of January 31, 1968, 19 Viet Cong sappers entered the embassy grounds through a hole in the wall and occupied the area for six hours. Two military police officers and a USMC soldier were killed during the fighting. Soldiers of the 101st U.S. Airborne Division conquered the area at noon and killed all Vietnamese invaders.

embassy 49

screen embassy 27

The damage done to the protective shell by the Viet Cong using RPGs. They entered the grounds via a hole blasted into the wall.

damage

photo embassy 02

photo embassy 03

photo embassy 01

Saigon Embassy

The map is divided into 4 playable floors. Viet Cong spawn on the ground floor while the U.S. Army spawn on the roof. Players battle for the control of the 2nd and 4th floor by either using the two staircases or taking one of the two elevators. It will feature the game modes Conquest, Detonation, Gun Game, Team-Deathmatch and Deathmatch.

Ground Floor

Spawn of the Viet Cong

embassy 08

2nd Floor

Office and Ambassador Floor

embassy 45

4th Floor

Office and Meeting Floor

embassy 40

The Roof

Spawn of the U.S. Army

embassy 46

screen embassy 23

First gameplay of Silent Escape: Induction

First gameplay of Silent Escape: Induction

Silent Escape: Induction 7 comments

Greetings, Comrades! Exactly 7 years ago on August 28th 2012 our Silent Escape mod was released!

Lost Story Demo Store Page - Now Available on Steam

Lost Story Demo Store Page - Now Available on Steam

Lost Story: The Last Days of Earth 6 comments

We're happy to announce that we just published a store page on Steam of Half-Life game that in development for 7 years! It's a good time to add the game...

Announcement of Silent Escape: Induction

Announcement of Silent Escape: Induction

Silent Escape: Induction 18 comments

So, after more than a year of silence, we’re coming out from the darkness and not empty handed. Now, when the project is at the stage of a ready “skeleton”...

TFI Team Update Log (Repost)

TFI Team Update Log (Repost)

Team Fortress 2 Invasion 1 comment

hey look the first video log for invasion since never???

Add game Games
They Hunger Lost Souls ReBuild

They Hunger Lost Souls ReBuild

First Person Shooter

They Hunger Lost Souls is not my game. I just ReBuild, to play in singleplayer or on the coop.

Garry's Mod

Garry's Mod

First Person Shooter

Garry’s Mod is a sandbox mod for the Source Engine. Unlike normal games there aren't any predefined aims or goals. Players are given tools and are left...

Black Mesa

Black Mesa

First Person Shooter

Black Mesa is a re-envisioning of Valve Software's classic science fiction first person shooter, Half-Life. Powered by Source Engine, You will re-visit...

Military Conflict: Vietnam

Military Conflict: Vietnam

First Person Shooter

An infantry multiplayer first-person shooter set in the final days of the Vietnam war.

The Stanley Parable

The Stanley Parable

Realistic Sim

The Stanley Parable is an extremely simple and easy-to-explain game about choice, story, failure, and why none of it probably mattered in the first place...

Red Requiem: Liberation

Red Requiem: Liberation

First Person Shooter

"I don't fight for justice,but for peace." Play as the abandoned GIGN elite named Victor.Harper, who has to do all he can to prove his value and find...

Resurgence

Resurgence

First Person Shooter

Resurgence deploys you in shoes of a young resistance member, who have escaped from Nova Prospekt thanks to one free man, and is willing to find his old...

NEOTOKYO° Kshatriya

NEOTOKYO° Kshatriya

First Person Shooter

NEOTOKYO° Kshatriya is a single player standalone HL2 mod. It is a crossover between the Universes of Kshatriya and Neotokyo Source created with the...

Da Baby

Da Baby

Arcade

You are Gordon Freeman, and G-Man has just recently woken you up from stasis, but not to stop the Combine, but rather to find.. Da Baby..? That's right...

Gunman Source

Gunman Source

First Person Shooter

Gunman Source - Source remake for Gunman Chronicles

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FelixDman
FelixDman

The most best Engine in universe

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sofokl3lodei
sofokl3lodei

Hi, how i can found people for work with battle royale on source engine?

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Dosman94
Dosman94

To bad this engine was not coded to count beyond the number three.

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shitty_kitty
shitty_kitty

man, i love source :3

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Guest
Guest

can anyone link me an up to date tutorial on how to make mods for the source engine beyond going into source sdk and clicking create a mod the best link I have found so far is the my first mod article in the valve developer community however for the prepare the solution section I got very confused as the only version of visual studio I have is 2015 but it only goes up to 2012

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bm_killer10
bm_killer10

check crimewarssource youtube vids

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Highest Rated (20 agree) 10/10

Even tho it is aging and it is beginning to show its weakness comparred to other more modern engines, it is still my most preferred engine and the only one I was able to get into succesfully. And with all of the updates Valve is giving it, I think the source engine will be with us for a long time. I wouldn't really recommend this for a commerical product, just because there are so many more modern engines out there that will be a lot easier in the long run (like UDK), but all of the commercial games…

Nov 16 2010 by Half_Kill

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