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This is the full list of all Source 1-2 and GoldSource engine games/mods released on Steam. In total, the page contains 150 items, grouped by lists and years, to view all, click view full list!

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2024-current (In the lists below this click view full list for full content)

List of all Source 1 and GoldSource engine games and mods released in 2024-current time. Total 15 items.

Recommandé 13 septembre 2025

« The adrenaline-fueled HLDM overhaul you’ve been waiting for. Packed with dynamic modes, extra weapons, refined classic maps, and advanced movement, it’s a fast, customizable, ever-evolving shooter. »

Recommandé 1 septembre 2025

« Better Fortress 2 aims to bring new improvement & fixes to Team Fortress 2 while also restoring old removed & unused features, items, gamemodes, and more. »

Recommandé 1 septembre 2025

« Play a Surreal and Abstract game of Hide and Seek across abstract realities watching as your beloved home falls into decay as you try desperately over and over again to hunt down your target. »

Recommandé 1 septembre 2025

« A fantasy game with touches of environmental humor. The story is about a wench who has to solve a great mystery, which greatly intrigues the town where she lives. »

Recommandé 1 septembre 2025

« Re-live the groundbreaking, critically acclaimed Half-Life 2 like never before, reimagined with RTX Remix. Featuring full ray tracing, remastered assets, and DLSS 4 with Multi Frame Generation. »

Recommandé 6 février 2025

« A Nights Haunting: Source is an early access mod development enveloping the source engine community in an exciting approach to FPS game play. »

Recommandé 1 septembre 2025

« As a cleaning machine, tend to the custodial duties of an office while trying to avoid human scrutiny and existential dread. Listen to the computers around you, while there is still time. »

Recommandé 1 septembre 2025

« Time is an equation, and you're here to solve it. 1920s Chicago detective Zachary Burton must defeat the Combine's attempts to influence humanity's past in the 20s, 40s, and 80s. »

Recommandé 13 septembre 2025

« Delta Particles – is a total conversion mod for HL. You're playing as a technical engineer of complex "Delta Base" Nick Farrell. Unfortunately, the protagonist was in the wrong place at the wrong time »

Recommandé 1 septembre 2025

« Wake up, it’s time for the real nightmare to begin. Make your way through a terrorizing house, uncover the secrets of a haunted hospital, fight through hordes of the undead, and try to escape. »

Recommandé 1 septembre 2025

« This is a mod for Portal 1. Includes new maps, storyline, a whole new Portal experience. This game take place in an Aperture laboratory in Eastern-Europe. »

Recommandé 14 aout 2019

« After 6 years of development, Battle Grounds III (BG3) is the next iteration in the classic franchise which began 17 years ago. Prepare for battle in the American War of Independence! »

Recommandé 13 septembre 2025

« A new episode from the Half-Life Universe! »

Recommandé 1 septembre 2025

« Confinement is a Portal 2 mod featuring 28 challenging co-op puzzles based around the confinement mechanic. »

Recommandé 20 novembre 2023

« The Portal Mod you've been waiting for. Delve into a new story with original characters, spanning over 8 hours of gameplay and featuring over 40 new challenging test chambers. »

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2019-2023. There are 34 items in total, to see them all click view full list!

List of all Source 1-2 and GoldSource engine games and mods released in the period 2019-2023. Total 32 items, to view click view full list!

Recommandé 1 septembre 2025

« Arctic Adventure is a episodic modification set in Half-Life Universe. In this mod you will ride through the Arctic landscapes, discover Aperture Science secrets and try new weapons. »

Recommandé 1 septembre 2025

« A short, single player mod set in the Half-Life® universe, starting you on a path to help the resistance in their fight against the Combine. »

Recommandé 15 aout 2019

« Hire a crew and destroy your rivals in this new strategy battler set in the world of Dota. Introducing Season One: Explore White Spire and earn rewards on the Battle Pass. »

Recommandé 20 octobre 2020

« Lights. Camera. Action! »

Recommandé 5 mai 2015

« Relive Half-Life. »

Recommandé 22 décembre 2019

« Half-Life: Alyx is Valve’s VR return to the Half-Life series. It’s the story of an impossible fight against a vicious alien race known as the Combine, set between the events of Half-Life 1 and 2. »

Recommandé 13 septembre 2025

« A return to form for Digital Paintball with upgraded textures, sounds, menus, maps and more! This is the definitive way to experience the mod that captivated an entire community. »

Recommandé 18 juin 2020

« After multiple years of its multiplayer being unplayable due to constant DDoS attacks, Titanfall 2’s online play was restored Sept 2023 Built on Respawn’s heavily modified branch of the Source engine »

Recommandé 1 septembre 2025

« Half-Life 2: Genry's Great Escape From City 13 is a free custom modification for Half-life 2. The game takes place a month before the events of Half-life 2. »

Recommandé 13 septembre 2025

« Previously known as Restore-Life, Half-Life: Restored is a fan made modification for Half-Life. This modification will stretch your Half-Life experience with unused, cut and retail version content. »

Recommandé 20 octobre 2020

« Logistique is a modification which brings a different point of view to the events happening during Half Life 2. It's the first part of a single player campaign developped by Elseware Experience. »

Recommandé 20 octobre 2020

« Slip into the Standard Issue Biosuit as Myo Hyori, a gifted Korean teenage girl who must face the perils of the future. »

Recommandé 1 septembre 2025

« Amalgam is a Half-Life 2 singleplayer mod. Somewhere near the City 17, the rebels have been trying to destroy the combine communication towers known as relays. »

Recommandé 1 septembre 2025

« Snowdrop Escape is a story-driven mod that unfolds a few years before the events of Half-Life 2. You take on the role of a professional mercenary named James. »

Recommandé 1 septembre 2025

« Portal Reloaded is a free, community made modification for Portal 2. The mod builds on the concepts of the main game by allowing you to place a third portal. »

Recommandé 21 mars 2022

« HEAT REBORN is a free massively multiplayer online first-person shooter. Completely re-created the original HEAT PROJECT with modern game engine. Brings you the improvement of graphics, game balance. »

Recommandé 10 octobre 2015

« Fan made Retro-RPG developed with the Source Engine. Explore Orio Island, gain the trust of the elemental god fairies and wield their magical powers to save the Divine Tree from the Relics of Gan-Ti »

Recommandé 1 septembre 2025

« Requiem Of Science is a free modification for Half-Life 2: Episode 2. The key features are the eclectic level design, unusual storytelling and the madness of the developer. »

Recommandé 1 septembre 2025

« Introducing Aperture Desk Job — a free playable short made for the Steam Deck, set in the universe of the modestly popular Portal games. »

Recommandé 1 septembre 2025

« Bad Cop is back. Command a small army of Combine synths and soldiers on a Northern campaign to capture Dr. Judith Mossman. A modification for Half-Life 2. »

Recommandé 1 septembre 2025

« Half Life 2: VR Mod is a fan-made project, which adds full Virtual Reality support to the original 2004 PC gaming classic by Valve Software. Are you ready to become the Freeman? »

VR prise en charge

Recommandé 13 septembre 2025

« A fan-made highly immersive Virtual Reality mod for the classic Half-Life from 1998. »

Recommandé 11 décembre 2022

« Unleash the legendary physgun, cut from the final game, in the original Half-Life 2 physics sandbox. Manipulate the environment and build intricate contraptions with powerful tools. »

Recommandé 8 décembre 2022

« Jabroni Brawl: Episode 3 is a free multiplayer Source engine game featuring an enormous variety of game modes, weapons and maps. It draws heavy inspiration from various forgotten Half-Life 1 mods. »

Recommandé 8 décembre 2022

« Experience the critically acclaimed and award-winning Portal™ reimagined with full ray tracing and DLSS 4 in this free DLC for Portal owners. Start thinking with portals, with RTX on. »

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2014-2018. There are 42 items in total, to see them all click view full list!

List of all Source 1-2 and GoldSource engine games and mods released in the period 2014-2018. Total 42 items, to view click view full list!

Recommandé 28 avril 2015

« A murder mystery, on a plane, in the future. You are Consortium Bishop Six, a global peacekeeper in the year 2042. Play an active role in the ongoing narrative. Every choice counts. »

Recommandé 23 septembre 2014

« Estranged tells the story of a lone fisherman, whose ship is stranded on a mysterious island during a violent storm. Explore the rich environments and meet the curious inhabitants of the island. »

Recommandé 23 septembre 2014

« Take to the streets for intense close quarters combat, where a team's survival depends upon securing crucial strongholds and destroying enemy supply in this multiplayer and cooperative. »

Recommandé 1 octobre 2014

« Thinking with Time Machine is a Portal 2 mod in which you will find and use a Time Machine to create a twin of yourself from the past to help you solve the puzzles. »

Recommandé 23 septembre 2014

« NEOTOKYO° is a multiplayer first person shooter that provides a visceral & realistic combat experience in a rich futuristic setting. »

Recommandé 23 septembre 2014

« Prove you are the world's greatest swordsman! Engage in tactical 1 vs. 1 sword fighting, 2 vs. 2, or sandbox FFA, or capture Control Points in a tactical slash-em-up. »

Recommandé 23 septembre 2014

« Multiplayer based, first person enabled, action packed and skill demanding shooter set in the Wild West times. A unique combination of non stop action and slow but powerful weaponry. »

Recommandé 23 septembre 2014

« Aperture Tag: The Paint Gun Testing Initiative is a Portal 2 Mod. It's time to think with Gels! The Portal-Gun is gone, but the testing must go on! Grab the Paint-Gun Device and solve brand new tests. »

Recommandé 26 octobre 2014

« Losing his parents during the holocaust to a mad man of a doctor. You're to play as Grobuskna Vladinov, 20 years after the incident that changed his life dramatically. »

Recommandé 12 mars 2015

« Turn your entire digital life into a game. AArcade is a 3D desktop that launches shortcuts to absolutely anything you like. Join the anarchy of the persistent online metaverse, or remain in your own. »

Recommandé 13 septembre 2025

« Counter-Strike Nexon is a Free to Play MMOFPS offering competitive PvP and PvE action including content from the original Counter-Strike and all new game modes, map creation function, weapons. »

Recommandé 26 octobre 2014

« Double Action is a free stylish multiplayer game about diving, flipping, and sliding your way into action movie mayhem. »

Recommandé 7 décembre 2014

« Lambda Wars is a free standalone multiplayer Source Engine modification set in the Half-Life 2 universe that brings the war between mankind and their brutal Combine overlords. »

Recommandé 1 septembre 2025

« Rexaura is a modification for Valve's Portal containing a new 20-chamber campaign centered around high energy pellets and many new testing elements. »

Recommandé 5 juillet 2015

« A completely free and extensive community-developed update for Half-Life 2 featuring beautiful lighting, countless bug fixes, and a brand new Community Commentary Mode. »

Recommandé 1 septembre 2025

« FIREFIGHT RELOADED is a brutal Half-Life 2 mod focused on massive swarms of enemies and fast-paced, movement oriented gameplay. »

Recommandé 5 juillet 2015

« Portal Stories: Mel is a community made, free modification for Portal 2 based in the Portal universe. It tells the story of Mel, who meets a new personality core and faces an undiscovered threat. »

Recommandé 13 septembre 2025

« Headcrab Frenzy is a free dynamic action Half-Life mod which allows you to quench a desire to destroy these little bouncy critters to your heart's content, hold records, get achievements. »

Recommandé 3 octobre 2015

« The Beginner's Guide is a narrative video game from Davey Wreden, the creator of The Stanley Parable. It lasts about an hour and a half and has no traditional mechanics, no goals or objectives. »

Recommandé 1 septembre 2025

« Wilson Chronicles lets you return to Black Mesa! »

Recommandé 16 janvier 2016

« 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 schemes of the past. »

Recommandé 15 janvier 2016

« Prospekt begins in the Nova Prospekt prison in the Half-Life universe. »

Recommandé 11 mars 2016

« Singleplayer science fiction game focusing on interacting and communicating with alien species. You can either fight or try to find a way to communicate. »

Recommandé 11 septembre 2025

« The curator's page has been updated, missing games/mods on Source have been added and sorted into lists by release date from 2004 to 2025. Check out these lists and you'll find a lot of new things! »

Recommandé 16 juin 2016

« TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. »

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2009-2013. Total 22 items.

List of all Source 1-2 and GoldSource engine games and mods released in the period 2009-2013. Total 22 items.

Recommandé 23 septembre 2014

« Zeno Clash is an action/fighting game set in a punk fantasy world. The game is played from a first person perspective and the combat is generally up close and brutal. Experience a deep storyline. »

Recommandé 23 septembre 2014

« Smashball is a fast-paced, ultra violent first-person sports shooter. Two teams use super-human maneuvers, a real-physics grappling hook and high-powered weaponry to try to get a single ball. »

Recommandé 23 septembre 2014

« Set in the zombie apocalypse, Left 4 Dead 2 (L4D2) is the highly anticipated sequel to the award-winning Left 4 Dead, the #1 co-op game of 2008. »

Recommandé 23 septembre 2014

« Step into the ultimate three-way war for honor, glory, and gold! This beloved community-driven game brings together swashbuckling Pirates, battle-hardened Vikings, and chivalrous Knights. »

Recommandé 23 septembre 2014

« Co-operative multiplayer game and complete code base available for free. »

Recommandé 24 septembre 2014

« tl;dr the ship but with less complexity 10/10 »

Recommandé 23 septembre 2014

« Frantic, multiplayer action involving Nazis and dinosaurs! What are you waiting for? This is World War II as it should have been! »

Recommandé 23 septembre 2014

« The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends! »

Recommandé 23 septembre 2014

« In a dark Cyberpunk world, you (and up to 3 friends) wage war against the all-powerful Federation in this Source-powered FPS/RPG. »

Recommandé 17 décembre 2014

« Explore war-torn post-apocalyptic landscapes and take fight against enemies using various weapons in this FPS/RTS hybrid. »

Recommandé 23 septembre 2014

« The chances of you surviving this all out war of society and the undead are slim to none. Already, there are millions of the walking dead shambling about, searching for food to eat. »

Recommandé 24 septembre 2014

« Good or Insane? The choice is yours. Following the Apocalyptic end to the Postal Dude’s week in Paradise, we follow him and his insane pitbull Champ. »

Recommandé 23 septembre 2014

« Begin a journey through one of the most original first-person games of recent years. »

Recommandé 12 mars 2015

« Mayan prophecy foretells the beginning of a new world age on December 21, 2012. Can the four heroes save humanity by defeating these evil foes? »

Recommandé 12 décembre 2022

« Year Long Alarm is a Half-Life 2 single-player mod that is set in an abandoned mine outside of City 17. A Scanner has discovered you, and the Combine are closing in on your position. »

Recommandé 25 septembre 2014

« (Free) Epic conversion of the Source Engine to an MMORPG game. It is based in a fantasy world with Medieval Style »

Recommandé 23 septembre 2014

« For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. »

Recommandé 13 septembre 2025

« Cry of Fear is a psychological single-player and co-op horror game set in a deserted town filled with horrific creatures and nightmarish delusions. »

Recommandé 23 septembre 2014

« Pervasive. Literary. Brutal. Experimental.MINERVA, by Adam Foster, takes you to a remote island under the control of Combine forces. Something is going on here. Your goal is to uncover what that is. »

Recommandé 23 septembre 2014

« Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. »

Recommandé 23 septembre 2014

« The Stanley Parable is a first person exploration game. You will play as Stanley, and you will not play as Stanley. You will follow a story, you will not follow a story. »

Recommandé 23 septembre 2014

« Contagion isn't your average Zombie Shooter but instead takes a more realistic and different approach to the popular genre with unique characters, environments, weapons, items, and a built in system. »

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1998-2008. There are 36 items in total, to see them all click view full list!

List of all Source 1 and GoldSource engine games and mods released in the period 1998-2008. Total 36 items, to view click view full list!

Recommandé 13 septembre 2025

« Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world. »

Recommandé 13 septembre 2025

« Sven Co-op is a co-operative game originally based around Valve Software's Half-Life. In this game players must work together against computer controlled enemies and solve puzzles as a team. »

Recommandé 13 septembre 2025

« One of the most popular online action games of all time, Team Fortress Classic features over nine character classes -- from Medic to Spy to Demolition Man. »

Recommandé 13 septembre 2025

« Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. »

Recommandé 13 septembre 2025

« Play the world's number 1 online action game. Engage in an incredibly realistic brand of terrorist warfare in this wildly popular team-based game. Ally with teammates to complete strategic missions. »

Recommandé 13 septembre 2025

« A futuristic action game that challenges your agility as well as your aim, Ricochet features one-on-one and team matches played in a variety of futuristic battle arenas. »

Recommandé 13 septembre 2025

« Made by Gearbox Software and originally released in 2001 as an add-on to Half-Life, Blue Shift is a return to the Black Mesa Research Facility in which you play as Barney Calhoun, the security guard. »

Recommandé 13 septembre 2025

« Enjoy fast-paced multiplayer gaming with Deathmatch Classic (a.k.a. DMC). Valve's tribute to the work of id software. »

Recommandé 13 septembre 2025

« Enlist in an intense brand of Axis vs. Allied teamplay set in the WWII European Theatre of Operations. »

Recommandé 13 septembre 2025

« With its extensive Tour of Duty campaign, a near-limitless number of skirmish modes, updates and new content for Counter-Strike's award-winning multiplayer game play. »

Recommandé 23 septembre 2014

« Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology. »

Recommandé 23 septembre 2014

« 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 vs. Resistance teamplay. »

Recommandé 23 septembre 2014

« Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. »

Recommandé 24 septembre 2014

« Was released on the same day as HL2. Underrated dark RPG. Good Character customization, features, missions set in a vampir world. »

Recommandé 23 septembre 2014

« Synergy enables you to play through the Half-Life 2 series and many other singleplayer Source Mods cooperatively with friends. »

Recommandé 23 septembre 2014

« Dystopia is a cyberpunk game with tense combat situations in a high-tech world spanned by computer networks. Playing as either Punk mercenaries, or Corporate security forces, the player will fight. »

Recommandé 23 septembre 2014

« Valve's WWII Multiplayer Classic - Now available for Mac. »

Recommandé 23 septembre 2014

« Originally planned as a section of the Highway 17 chapter of Half-Life 2, Lost Coast is a playable technology showcase that introduces High Dynamic Range lighting to the Source engine. »

Recommandé 23 septembre 2014

« 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 maps, now running on the Source engine. »

Recommandé 24 septembre 2014

« You are John Blade, commander of HardCorps, an elite security force dedicated to protecting the people of Freeport City. Four years have passed since your first battle with Elexis Sinclaire. »

Recommandé 23 septembre 2014

« Episode One is the first in a series of games that reveal the aftermath of Half-Life 2 and launch a journey beyond City 17. »

Recommandé 23 septembre 2014

« The Ship is a murder mystery multiplayer. »

Recommandé 23 septembre 2014

« Best combat mechanics of any game to date. Epic RPG game. 10/10 »

Recommandé 23 septembre 2014

« Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play. »

Recommandé 26 septembre 2014

« Eternal Silence is a science fiction mod that pits two capital ships against each other in a seamless blend of space warfare and tactical infantry combat. »