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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Counter-Strike: Source

Counter-Strike: Source

First Person Shooter

Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source technology. Featuring state of the...

Half-Life 2: Episode One

Half-Life 2: Episode One

First Person Shooter

Episode One follows scientist Gordon Freeman and his companion Alyx Vance as they fight in humanity's continuing struggle against the transhuman race...

Half-Life 2: Episode Two

Half-Life 2: Episode Two

First Person Shooter

As Dr. Gordon Freeman, you were last seen exiting City 17 with Alyx Vance as the Citadel erupted amidst a storm of unknown proportions. In Episode Two...

Half-Life 2

Half-Life 2

First Person Shooter

Pick up the crowbar of research scientist Gordon Freeman, who finds himself on an alien-infested Earth being picked to the bone, its resources depleted...

Day of Defeat: Source

Day of Defeat: Source

First Person Shooter

Day of Defeat offers intense online action gameplay set in Europe during WWII. Assume the role of infantry, sniper or machine-gunner classes, and more...

Portal

Portal

Puzzle

Portal is a first-person puzzle game. Players must solve physical challenges by opening portals to maneuver objects, and themselves, through the enigmatic...

Vampire: The Masquerade – Bloodlines

Vampire: The Masquerade – Bloodlines

Role Playing

First-person roleplaying game, based on White Wolf's popular Vampire: The Masquerade pen-and-paper RPG. Vampire: The Masquerade - Bloodlines combines...

Team Fortress 2

Team Fortress 2

First Person Shooter

Team Fortress 2 is the sequel to the game that put class-based, multiplayer team warfare on the map. It delivers new gametypes, a signature art style...

Half-Life 2: Lost Coast

Half-Life 2: Lost Coast

First Person Shooter

Half-Life 2: Lost Coast is a playable technology showcase that introduces High Dynamic Range lighting to the Source engine. It is included with Half-Life...

Dark Messiah of Might and Magic

Dark Messiah of Might and Magic

First Person Shooter

Explore the secluded region of Ashan, where fearless orcs, wild goblins, dreadful undead, elusive trolls, gigantic dragons and many other creatures stunning...

Portal with RTX

Portal with RTX

Puzzle

Portal with RTX is a free DLC for all Portal owners developed by NVIDIA Lightspeed Studios. Experience the critically acclaimed and award-winning Portal...

Half-Life: Source

Half-Life: Source

First Person Shooter

Winner of over 50 Game of the Year awards, Half-Life set new standards for action games when it was released in 1998. Half-Life: Source is a digitally...

POSTAL III

POSTAL III

Third Person Shooter

In Postal III, The Postal Dude emigrates to Paradise's sister town of Catharsis as he previously blew up Paradise with a nuclear bomb. Due to the economic...

Race Against Fate

Race Against Fate

First Person Shooter

In North-Eastern Europe, inexplicable phenomena occur in the early 1960s. Among ancient buildings and dense forests, horrors lurk that no one dares to...

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...

Half-Life 2: Deathmatch

Half-Life 2: Deathmatch

First Person Shooter

Fast multiplayer action set in the Half-Life 2 universe! HL2's physics adds a new dimension to deathmatch play. Play straight deathmatch or try Combine...

Left 4 Dead 2

Left 4 Dead 2

First Person Shooter

This co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans...

Half-Life Deathmatch: Source

Half-Life Deathmatch: Source

First Person Shooter

Half-Life Deathmatch: Source is a recreation of the first multiplayer game set in the Half-Life universe. Features all the classic weapons and most-played...

Portal 2

Portal 2

Puzzle

It’s been a long time. How have you been? I’ve been really busy being dead. You know... after you murdered me?

Counter-Strike: Global Offensive

Counter-Strike: Global Offensive

First Person Shooter

Counter-Strike: Global Offensive (CS: GO) will expand upon the team-based action gameplay that it pioneered when it was launched 12 years ago.

Left 4 Dead

Left 4 Dead

First Person Shooter

Set in the immediate aftermath of the zombie apocalypse, Left 4 Dead's survival co-op mode lets up to four players blast a path through the swarming zombie...

PUNT

PUNT

Puzzle

PUNT is a first person puzzle platformer running on the Source Engine. Using the E.M.M.A., navigate the puzzles of Harmonics and overcome obstacles of...

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...

Tronium

Tronium

Role Playing

🔥 Get ready for an EPIC gaming journey! 🔥 🔥 Prove your skills in intense PvP battles, claim your spot at the top, and become the Governor of...

Klaus Veen's Treason

Klaus Veen's Treason

First Person Shooter

A dead Don was discovered by some wise guys, there are snitches in the gang. Innocents must gather Clues in order to identify & eliminate the Traitor(s)!

Treason

Treason

First Person Shooter

Project made by a group of friendly devs, playtesters and me (Klaus Veen), for a casual but spiced up TTT experience to play with a group of friends...

Project Citadel

Project Citadel

First Person Shooter

What is “Project Citadel?” Project Citadel is serving as a remake to Half Life 2 in a few unique and light weight ways. In a series of uniquely redesigned...

Lajoy Teckna

Lajoy Teckna

First Person Shooter

What lurks in the dark? Survive a shift at the worn-down Rotwheel family storage facility against a slew of murderous cyborgs and hardware malfunctions...

Military Conflict: Vietnam

Military Conflict: Vietnam

First Person Shooter

An extreme first-person shooter in the heat of the Vietnam War.

E.Y.E: Divine Cybermancy

E.Y.E: Divine Cybermancy

First Person Shooter

After unending war with metastreumonic Force, the powerful organisation Secreta Secretorum that you belong to is finally ready to undermine the head-strong...