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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Previewing Day of Infamy's Flakturm Update
Day of Infamy

Previewing Day of Infamy's Flakturm Update

Day of Infamy

Take a look at what’s coming in our last free update this year!

The King is dead - long live the King!
TI: Reloaded

The King is dead - long live the King!

TI: Reloaded 9 comments

Our campaign didn't work out due to our lack of experience with these things. So, we contacted experts and cancelled it, and then designed a fresh one...

Update: new footage, KS milestone reached, new partnership established
TI: Reloaded

Update: new footage, KS milestone reached, new partnership established

TI: Reloaded 2 comments

Our hottest news so far - A cooperation with the #1 game server hosting company in Europe!, some news on the KS, and - our "Skyrise" hostage scenario...

TI-Reloaded - crowdfunding campaign
TI: Reloaded

TI-Reloaded - crowdfunding campaign

TI: Reloaded 25 comments

We're bringing Tactical Intervention back - after a heavy diet, lots of therapy, in fresh clothing, shaved and ready to kick butt. Can you help us go...

Day of Infamy - Free Weekend - Brittany Update
Day of Infamy

Day of Infamy - Free Weekend - Brittany Update

Day of Infamy 1 comment

Free content update includes: Brittany Map, Shooting Range Map, New features, fixes, a free weekend and XP boost to boot!

INFRA: Complete Edition is here
INFRA

INFRA: Complete Edition is here

INFRA 2 comments

INFRA is finally complete with the Part 3 of 3 now released!

Day of Infamy - Dunkirk Update
Day of Infamy

Day of Infamy - Dunkirk Update

Day of Infamy 6 comments

FREE content update for Day of Infamy includes: Dunkirk map, Breville map, and new grass!

Waiting Room|Mod
Half-Life 2: Episode Two

Waiting Room|Mod

Half-Life 2: Episode Two 2 comments

Hi everyone, I'm Ttiki, and today I want to talk about my new mod Waiting Room! I will explain everything, show you the ends and how to get them, my impression...

Day of Infamy - Aussie Update
Day of Infamy

Day of Infamy - Aussie Update

Day of Infamy 3 comments

We have launched the first major content update for Day of Infamy free for all players. The Aussie Update includes a new map, new weapon, four new units...

DefendVille2-Scrap map
Half-Life 2: Episode Two

DefendVille2-Scrap map

Half-Life 2: Episode Two 1 comment

A little post about my scrap map of the competition DefendVille2, by RunThinkShootLive.com ! I sent my files a couple of weeks ago, and I'm waiting for...

Lost Story Dev.Log #5: Fate of fan-made Half-Life game
Lost Story: The Last Days of Earth

Lost Story Dev.Log #5: Fate of fan-made Half-Life game

Lost Story: The Last Days of Earth 4 comments

We cannot wait to congratulate all of you on this remarkable day. This day, we release the Gameplay Teaser and announce the Lost Story: The Last Days...

The Source Modding Community Discord Server

The Source Modding Community Discord Server

News 19 comments

An article showcasing the Source Modding Community, a community where we all come together to mod various Valve games and discuss other things!

Kreedz Climbing is now on IndieDB and Steam Greenlight!
Kreedz Climbing

Kreedz Climbing is now on IndieDB and Steam Greenlight!

Kreedz Climbing

Kreedz Climbing, a unique jumping game with an emphasis on speedrunning, is now on IndieDB and Steam Greenlight!

Day of Infamy Mapping Contest - Winners Announced!
Day of Infamy

Day of Infamy Mapping Contest - Winners Announced!

Day of Infamy 2 comments

After months of hard work and much deliberation we are proud to announce the winners of the Day of Infamy community mapping contest!

Day of Infamy - Community Mapping Contest Top 10!
Day of Infamy

Day of Infamy - Community Mapping Contest Top 10!

Day of Infamy

After several months of hard work from the modding community, New World are proud to announce the 10 finalists from our Day of Infamy community mapping...

Steam’s 2016 Top 100 Sellers Include Indie Hits

Steam’s 2016 Top 100 Sellers Include Indie Hits

News 4 comments

The best-selling games on Steam last year aren’t just the triple-A juggernauts.

New Year’s 2017 – A change of name and a change of game
Day of Infamy

New Year’s 2017 – A change of name and a change of game

Screaming Steel: 1914-1918 25 comments

In this article we'd like to explain our absence, and what's going on with WW1: Source in general. We'll talk about what's been happening with the project...

Genetic Variation Progress: Article #8
Half-Life 2: Episode Two

Genetic Variation Progress: Article #8

Half-Life 2: Genetic Variation 12 comments

Some more up-to-date details on what we're actually doing. It's been a while, so we have a bit to show.

Counter-Strike: Global Offensive Mod Adds Dynamic Weather
Counter-Strike: Global Offensive

Counter-Strike: Global Offensive Mod Adds Dynamic Weather

Counter-Strike: Global Offensive 5 comments

Add thunderstorms, fog, and rain to classic maps like de_dust2.

Tenebra Released!
Tenebra

Tenebra Released!

Tenebra 3 comments

Tenebra is a psychological horror game that takes you on a journey through a beautifully moody and often dreadful world that reveals itself as you progress...

Gabe Newell Has Spent Most Of His Time With Valve’s VR Team
Dota 2

Gabe Newell Has Spent Most Of His Time With Valve’s VR Team

Dota 2

Here’s what Gaben has been up to prior to the DOTA 2 International.

INFRA: Part 3 announcement
INFRA

INFRA: Part 3 announcement

INFRA

We're announcing INFRA: Part 3. Also, the trailer for INFRA: Part 2 is out!

Valve Adds DOTA 2 VR Spectator Mode For HTC Vive
Dota 2

Valve Adds DOTA 2 VR Spectator Mode For HTC Vive

Dota 2

The DOTA VR Hub lets you watch matches and teleport around the map in VR.

Valve Reveals Special Edition DOTA 2 HTC Vive VR Headset
Dota 2

Valve Reveals Special Edition DOTA 2 HTC Vive VR Headset

Dota 2

This special Vive has a red head strap in celebration of The International.

Insurgency and Day of Infamy Updated
Insurgency

Insurgency and Day of Infamy Updated

Insurgency 3 comments

We've just released updates for both Insurgency AND the official WWII mod Day of Infamy! Includes new map Dry Canal, new spectator options, various fixes...

Genetic Variation Article #7: Zombies, Progress & Livestream
Half-Life 2: Episode Two

Genetic Variation Article #7: Zombies, Progress & Livestream

Half-Life 2: Genetic Variation 13 comments

7th article for Genetic Variation showcasing some of Sabrean's Zombies, #trigger_hurt's model work and some unfinished Citizen faces.

Valve Teases DOTA 2 VR Spectator Mode
Dota 2

Valve Teases DOTA 2 VR Spectator Mode

Dota 2

Could this be the future of eSports VR livestreams?

Lost Story Dev.Log #4 - Part Two: Photogrammetry for Materials
Lost Story: The Last Days of Earth

Lost Story Dev.Log #4 - Part Two: Photogrammetry for Materials

Lost Story: The Last Days of Earth 7 comments

Last time we've introduced you to the photogrammetry technique telling you about our first steps in creating high quality content using such technology...

Lost Squad 2016 Update | Day Three | Procedural Sky Rendering with Source Engine Pt.2
Lost Squad

Lost Squad 2016 Update | Day Three | Procedural Sky Rendering with Source Engine Pt.2

Lost Squad 11 comments

Hello our dear friends! It's time to share the second part of our procedural sky article with you. In the first part we talked about more basic things...

Lost Story Dev.Log #4 - Part One: Photogrammetry for Models
Lost Story: The Last Days of Earth

Lost Story Dev.Log #4 - Part One: Photogrammetry for Models

Lost Story: The Last Days of Earth 6 comments

Winter is finally stepping back and spring is taking over, which means that we are happy to present our new Dev.Log! Initially the topic for this article...