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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.

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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...

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.

INFRA

INFRA

Puzzle

INFRA puts you into the boots of a structural analyst on a routine mission. Quickly though, your task turns into a fight for survival, all caused by deep-rooted...

Military Conflict: Vietnam

Military Conflict: Vietnam

First Person Shooter

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

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...

Zeno Clash

Zeno Clash

First Person Shooter

In the land of Zenozoik, the city of Halstedom is ruled by a powerful clan, one which Ghat has betrayed by committing a terrible sin. Now, Ghat's brothers...

Dino D-Day

Dino D-Day

First Person Shooter

The year is 1942. Adolf Hitler has succeeded in resurrecting dinosaurs. The reptilian horde has trampled Europe and the Mediterranean. Can nothing stop...

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...

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...

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

Lost Story: The Last Days of Earth

Lost Story: The Last Days of Earth

First Person Shooter

Lost Story: The Last Days of Earth - is a sci-fi action first person shooter set in the Half-Life universe, which allows you to witness the events set...

Silent Escape: Induction

Silent Escape: Induction

First Person Shooter

Silent Escape: Induction is a first-person shooter, reimagined version of the original Silent Escape, released in 2012. The story starts during the events...

Try Hard Fox Plaza

Try Hard Fox Plaza

Third Person Shooter

It is a misty evening in the year 2012. Sean, a proud person, who's father has been killed in cold blood, wants to take revenge on these who were responsible...

Team Fortress 2 Invasion

Team Fortress 2 Invasion

First Person Shooter

source code was released in the 2003 leak, the game was worked on by Team gabeN but their work has yet to be released. but the TFI Team are the newest...

Lost Squad

Lost Squad

First Person Shooter

Lost Squad - is Source Engine based game about what happened to Barney Calhoun after Half-Life 2: Episode One events and why he didn't show up in Half-Life...

Velocity Brawl

Velocity Brawl

Arcade

A sci-fi, arena, and multiplayer first person shooter.

Insurgency

Insurgency

Tactical Shooter

TAKE TO THE STREETS FOR INTENSE CLOSE QUARTERS COMBAT, where a team's survival depends upon securing crucial strongholds and destroying enemy supply...

Halo: Unto dawn Cancelled

Halo: Unto dawn Cancelled

First Person Shooter

Prequel to Halo Alpha short mini mod you play as Agent Kelly on the Remains of the UNCS Sunrise What will you do?

Halo: Alpha Cancelled

Halo: Alpha Cancelled

First Person Shooter

Spartan code name Silver-6705 Part of Hydra squad.

Day of Infamy

Day of Infamy

Tactical Shooter

Experience intense close-quarters battles in iconic WWII settings. Day of Infamy is a teamwork-oriented shooter which aims to be a continuation and evolution...

Tundra

Tundra

First Person Shooter

Tundra is a fan made Half-Life game based off of "Epistle 3", Episode Three's story which was leaked a few years ago by Marc Laidlaw. We currently have...

Bipolo

Bipolo

Real Time Shooter

shoot with the cursor use the portals to go fight YOU CANNOT SHOOT IN THE MAIN WORLD

Wicked

Wicked

Adventure

An evil, dark spell entraps an entire town, which must now try its best to force out the efforts of the Omaryn Brotherhood, whom the cult leaders have...

Bridge Constructor Portal

Bridge Constructor Portal

Real Time Strategy

Enter the Aperture Science Enrichment Center and experience Bridge Constructor Portal – the unique merging of the classic Portal™ and Bridge Constructor™...

TI: Reloaded

TI: Reloaded

First Person Shooter

THIS is TI:R. Car chases. Attack dogs. C4-charges. Hostages, bombs, guns, exploding tires and all that with a thousand bugs and glitches gone since our...

Kreedz Climbing

Kreedz Climbing

Platformer

Kreedz Climbing is a unique, non-violent, puzzle-platformer type total conversion for Half-Life 2 where the player attempts to climb or jump his or her...

Empires Mod

Empires Mod

Real Time Shooter

Empires, the award winning Source SDK game, combines the best of the first person shooter and real-time strategy genres. Fight as either the Northern...

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Built a game for Source and want to support mods? Try mod.io, a cross-platform mod SDK created by Indie DB which makes it easy to get a mod community up and running in-game. Currently seeking games to integrate and promote
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Garry's Mod
Garry's Mod First Person Shooter
Black Mesa
Black Mesa First Person Shooter
Lost Story: The Last Days of Earth
Lost Story: The Last Days of Earth First Person Shooter
Day of Infamy
Day of Infamy Tactical Shooter
Lost Squad
Lost Squad First Person Shooter
Contagion
Contagion First Person Shooter
Silent Escape: Induction
Silent Escape: Induction First Person Shooter
E.Y.E: Divine Cybermancy
E.Y.E: Divine Cybermancy First Person Shooter
Resurgence
Resurgence First Person Shooter
INFRA
INFRA Puzzle
Insurgency
Insurgency Tactical Shooter
Conscript
Conscript First Person Shooter
TI: Reloaded
TI: Reloaded First Person Shooter
Prospekt
Prospekt First Person Shooter
Military Conflict: Vietnam
Military Conflict: Vietnam First Person Shooter
They Hunger Lost Souls ReBuild
They Hunger Lost Souls ReBuild First Person Shooter
Star Trek - Elite Force Reloaded
Star Trek - Elite Force Reloaded First Person Shooter
The Revenge
The Revenge First Person Shooter
Gunman Source
Gunman Source First Person Shooter