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List of third-party Source games

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← List of Source games

List of Source engine games made by third-party companies and mod teams.

2004 - 2009

Year Title Developer(s) Publisher(s) Engine branch Platforms Notes
2004 Vampire: The Masquerade - Bloodlines Vampire: The Masquerade - Bloodlines Troika Games Activision Source 2004 Source 2004 (Beta) PC: Windows First third-party game to use Source engine. Runs on the earlier, beta version of Source 2004, referred to as the Half-Life 2 Beta engine. It uses a proprietary format for the materials and texture files. Also the first Source game to use Bink video, prior to Source 2007.
2004 JBMod JBMod TEAM JBMOD TEAM JBMOD Source 2013 Multiplayer Source 2013 Multiplayer PC: Windows, Linux Earliest Source mod to be created, shortly after the release of Source SDK. It is also the spiritual predecessor to Garry's Mod. The game was later re-released on Steam in 2022, running on Source 2013.
2005 Synergy Synergy Synergy Team Synergy Team Source 2006 Source 2006 (pre-Steam)
Source 2013 Multiplayer Source 2013 Multiplayer (current)		 PC: Windows, Mac, Linux A co-op mod that allows you to play the entire Half-Life 2 campaign in Multiplayer.
2005 Dystopia Dystopia Puny Human Puny Human Source 2013 Multiplayer Source 2013 Multiplayer PC: Windows, Linux
2006 SiN Episodes SiN Episodes Ritual Ritual Source 2004 Source 2004 PC: Windows Last game by Ritual Entertainment, having only one out of nine episodes released, prior to the acquisition by MumboJumbo. No new episodes were created after the acquisition.
The game runs on mix of both Source 2004 with some beta Source 2006 (or possibly the 2005 version of Lost Coast) code[confirm] (as there are non-functional HDR console commands).
2006 The Ship: Murder Party The Ship: Murder Party (MP)
The Ship: Single Player The Ship: Single Player 		Outerlight Ltd. Outerlight Ltd. (original, digital)
Mindscape (EU)
Mersom (US)
Blazing Griffin (current)		 Source 2006 Source 2006 PC: Windows Specific soundscape sounds can be set to act as "music", letting them be affected by snd_musicvolume
2006 Dark Messiah of Might and Magic Dark Messiah of Might and Magic Arkane Studios, Ubisoft Annecy (Xbox 360) Ubisoft Source 2006 Source 2006 PC: Windows
Consoles: Xbox 360 		First third-party Source engine game to be released on consoles, specifically, the Xbox 360 Xbox 360.
2006 Garry's Mod Garry's Mod Facepunch Studios Valve Source 2013 Source 2013 (heavily modified) PC: Windows, Mac, Linux Originally released in 2004 as GMod 1.0 (sometimes refers as Beta release), this is a third-party game (formerly, a Source SDK mod) that was published by Valve (first-party) with the release of GMod 10 and later versions. Unlike previous versions (GMod 9 or earlier), it is not free and requires purchase. When the GMod 13 was released in 2012, it initially ran on Source 2009, which was later upgraded to Source 2013. After GMod 13, the game, and its Source 2013 branch transitioned to Wikipedia icon Software as a service-like model which meant that GMod will be frequently updated every month, and Facepunch begin to heavily modify the engine by adding experimental support for Alien Swarm engine branch Alien Swarm engine branch and Portal 2 engine branch Portal 2 engine branch or later features, such as VTF 7.5, BSP 21 and 64-bit support, and combining code from both 2013's SP and MP branch[confirm].
2007 (Mod)
2008 (Steam) 		Fortress Forever Fortress Forever Fortress Forever Development Team, Trepid Studios Fortress Forever Source 2006 Source 2006
Source 2013 Multiplayer Source 2013 Multiplayer (In development) 		PC: Windows
2007 Age of Chivalry Age of Chivalry Team Chivalry Team Chivalry Source 2007 Source 2007 PC: Windows
2007 (Mod)
2008 (Steam) 		Zombie Panic! Source Zombie Panic! Source Zombie Panic! Team Zombie Panic! Team Source 2013 Multiplayer Source 2013 Multiplayer (current) PC: Windows, Linux
2007 INSURGENCY: Modern Infantry Combat INSURGENCY: Modern Infantry Combat Insurgency Development Team New World Interactive Source 2006 Source 2006 PC: Windows
2008 D.I.P.R.I.P. D.I.P.R.I.P. EXOR Studios EXOR Studios Source 2007 Source 2007 PC: Windows
2009 Zeno Clash Zeno Clash ACE Team Iceberg Interactive, Tripwire Interactive Source 2009 Source 2009 PC: Windows
Consoles: Xbox 360
Year Title Developer(s) Publisher(s) Engine branch Platforms Notes

2010 - 2019

Year Title Developer(s) Publisher(s) Engine branch Platforms Notes
2010 Bloody Good Time Bloody Good Time Outerlight Ltd. Ubisoft Source 2007 Source 2007 PC: Windows
Consoles: Xbox 360
2010 (Website)
2012 (Steam) 		Vindictus Vindictus devCAT NEXON Korea Corp. & NEXON America Inc. Source 2006 Source 2006 (heavily modified) PC: Windows Heavily modified, and uses proprietary file format to store game files. Also support DirectX 11. Even though Source 2007 and Source 2009 were available for licensing by the time the game was released, the game was built on Source 2006 instead.
2010 Blue Portals Blue Portals Reepblue Reepblue Source 2013 Source 2013 PC: Windows
2011 Dino D-Day Dino D-Day 800 North and Digital Ranch 800 North and Digital Ranch Portal 2 engine branch Portal 2 engine branch PC: Windows Originally Left 4 Dead engine branch Left 4 Dead engine branch when it was released, later upgraded to Portal 2 engine branch Portal 2 engine branch.
2011 E.Y.E: Divine Cybermancy E.Y.E: Divine Cybermancy Streum On Studio Streum On Studio Source 2007 Source 2007 PC: Windows
2011 Nuclear Dawn Nuclear Dawn GameConnect, InterWave Studios Iceberg Interactive Left 4 Dead engine branch Left 4 Dead engine branch PC: Windows
2011 No More Room in Hell No More Room in Hell No More Room in Hell Team Lever Games Source 2013 Source 2013 PC: Windows
2011 Postal III Postal III Trashmasters Akella Source 2009 Source 2009 PC: Windows This game is infamous for being the worst commercially released Source engine game at all time, leading to Akella eventually becoming bankrupt. Originally delisted on Steam in Dec 2022 due to ActControl DRM server issues, which was later resolved after the remains of Akella gave RWS limited access to the game store page, and, RWS, with Zoom Platform together patch the game with bug and crash fixes by injecting the 🖿p3.dll file into the game, plus making it DRM-Free.
2012 (Steam) Dear Esther Dear Esther The Chinese Room, Robert Briscoe The Chinese Room, Secret Mode Source 2007 Source 2007 (Mod)
Source 2009 Source 2009 (Steam) 		PC: Windows The 2011/2012 version of the game, which runs on Source 2009 Source 2009 is no longer sold on Steam, being replaced by Landmark Edition remaster that runs on Unity engine. However the original 2009 mod of this game is [still available on ModDB].
2012 Revelations 2012 Revelations 2012 Dark Artz Entertainment Dark Artz Entertainment Left 4 Dead engine branch Left 4 Dead engine branch PC: Windows
2012 Hybrid 5th Cell Xbox Game Studios (formerly Microsoft Studios) Left 4 Dead engine branch Left 4 Dead engine branch Consoles: Xbox 360 Console-exclusive title.
2013 (delisted) Tactical Intervention Tactical Intervention FIX Korea, Co.LTD, FIX Games, Co. LTD FIX Games, Co. LTD Portal 2 engine branch Portal 2 engine branch[confirm] PC: Windows No longer available.
2013 The Stanley Parable The Stanley Parable Galactic Cafe Galactic Cafe Portal 2 engine branch Portal 2 engine branch PC: Windows, Mac, Linux This modified branch was later used in The Beginner's Guide The Beginner's Guide. A sequel, expanded and re-imagination of The Stanley Parable was later released in 2022 as The Stanley Parable: Ultra Deluxe, which runs on the Unity engine.
2013 Counter-Strike Online 2 Counter-Strike Online 2 Nexon Nexon Source 2009 Source 2009 or Source 2013 Source 2013 (heavily modified)[confirm] PC: Windows Currently unknown whether it uses Source 2009 or 2013. Like Counter-Strike Online, it's also used proprietary file format to store its game files.
2014 (delisted) Consortium Interdimensional Games Interdimensional Games Portal 2 engine branch Portal 2 engine branch PC: Windows Delisted in favor of the upcoming remaster running on Unreal Engine 4.
2014 Blade Symphony Blade Symphony Puny Human Puny Human Portal 2 engine branch Portal 2 engine branch (confirm) PC: Windows Originally released as a Early Access game in 2013.
2014 Insurgency Insurgency New World Interactive New World Interactive CS:GO engine branch CS:GO engine branch (earlier version) PC: Windows
2014 Titanfall Titanfall Respawn Entertainment Electronic Arts Titanfall branch Titanfall branch PC: Windows
Consoles: Xbox 360, Xbox One 		Likely delisted on PC (Origin/EA Play and Steam) due to low player count and constant server issues due to being DDoS attacked, plus the game also have multiple security vulnerabilities. Existing owners can still play the game. The engine was heavily modified from Portal 2 engine branch Portal 2 engine branch.
Also first Source engine game to be released for eighth-gen consoles.
2014 Contagion Contagion Monochrome, Inc Monochrome, Inc Left 4 Dead engine branch Left 4 Dead engine branch PC: Windows Spiritual successor to Zombie Panic! Source.
2014 (Steam) NEOTOKYO° NEOTOKYO° STUDIO RADI-8 STUDIO RADI-8 Source 2006 Source 2006 PC: Windows Originally released in 2009 as a SourceMod that requires Source SDK Base 2006 to be installed, later released on Steam in 2014, which is completely standalone.
2014 (Steam) Fistful of Frags Fistful of Frags Hoobalugalar_X Raptor Byte Source 2013 Source 2013 PC: Windows, Mac, Linux Originally released as a mod in 2007 on ModDB.
2014 Lambda Wars Lambda Wars Vortal Storm Vortal Storm Alien Swarm engine branch Alien Swarm engine branch PC: Windows
2014 Team Fortress 2 Classic Team Fortress 2 Classic Eminoma Team Eminoma Team Source 2013 Multiplayer Source 2013 Multiplayer PC: Windows First Team Fortress 2 Source mod to be released.
2015 Portal Stories: Mel Portal Stories: Mel Prism Game Studios Ltd. Prism Game Studios Ltd. Portal 2 engine branch Portal 2 engine branch (earlier version) PC: Windows, Mac, Linux Requires Portal 2 to be installed to play.
2015 (Steam) Codename Cure Hoobalugalar_X Raptor Byte Source 2013 Source 2013 PC: Windows, Mac, Linux Originally released as a mod in 2013 on ModDB.
2015 Double Action Double Action Factory Double Action Factory Source 2013 Multiplayer Source 2013 Multiplayer PC: Windows, Linux
2015 The Beginner's Guide The Beginner's Guide Everything Unlimited Ltd. Everything Unlimited Ltd. Portal 2 engine branch Portal 2 engine branch PC: Windows, Mac, Linux Based off modified version of The Stanley Parable engine, which itself was also modified from Portal 2 engine branch.
2016 Wilson Chronicles Wilson Chronicles Frere d'Arme Frere d'Arme Source 2013 Source 2013 PC: Windows
2016 INFRA INFRA Loiste Interactive Loiste Interactive Portal 2 engine branch Portal 2 engine branch PC: Windows
2016 Titanfall 2 Titanfall 2 Respawn Entertainment Electronic Arts Titanfall branch Titanfall branch PC: Windows
Consoles: Xbox One, PlayStation 4 		A sequel to Titanfall. First Titanfall game to have a singleplayer campaign.
2016 Day of Infamy Day of Infamy New World Interactive New World Interactive CS:GO engine branch CS:GO engine branch (earlier version) PC: Windows, Mac, Linux
2017 Alien Swarm: Reactive Drop Alien Swarm: Reactive Drop Reactive Drop Team Reactive Drop Team Alien Swarm engine branch Alien Swarm engine branch PC: Windows
2017 Entropy : Zero Entropy : Zero Breadman Breadman Source 2013 Singleplayer Source 2013 Singleplayer PC: Windows
2018 Hunt Down the Freeman Hunt Down the Freeman Royal Rudius Entertainment Royal Rudius Entertainment Source 2013 Multiplayer Source 2013 Multiplayer PC: Windows In later updates, the game was transfered from Source 2013 SP to MP codebase. The engine has been heavily modified over time, adding feature such as: Parallax Corrected Cubemaps, PBR textures, WebM (replaces Bink), FMOD for audio, and much more...
This game was largely criticized by players for numerous reasons like its bugs, poor design, developers of this game not having been paid.
2019 Apex Legends Apex Legends Respawn Entertainment Electronic Arts Titanfall branch Titanfall branch PC: Windows Heavily modified, like previous Titanfall games. Replaced HBAO+ ambient occlusion and MSAA anti-aliasing to SSAO and TAA respectively, aswell as being the only Source game that supports DirectX 12 (Direct3D 12) natively.
2019 Open Fortress Open Fortress Open Fortress Development Team Open Fortress Development Team Source 2013 Multiplayer Source 2013 Multiplayer PC: Windows The fourth Team Fortress 2 Source mod to be released, with TF2Vintage having been released in 2017, and Team Deathmatch Classic being launched in 2018.
2019 Pre-Fortress 2 Pre-Fortress 2 Pre-Fortress 2 Team Pre-Fortress 2 Team Source 2013 Multiplayer Source 2013 Multiplayer PC: Windows The fifth Team Fortress 2 Source mod to be released.
Year Title Developer(s) Publisher(s) Engine branch Platforms Notes

2020 - present

Year Title Developer(s) Publisher(s) Engine branch Platforms Notes
2020 Black Mesa Black Mesa Crowbar Collective Crowbar Collective Xengine Xengine PC: Windows, Linux Black Mesa was originally released in 2012 as a mod running on Source 2007. Fan remake of Half-Life Half-Life.
2020 G-String Eyaura LunchHouse Software Source 2013 Source 2013 PC: Windows
2021 Portal Reloaded Portal Reloaded PORTAINIS PORTAINIS Portal 2 engine branch Portal 2 engine branch PC: Windows, Mac, Linux
2022 Divinia Chronicles: Relics of Gan-Ti Divinia Chronicles: Relics of Gan-Ti Team Monkey Team Monkey Source 2013 Singleplayer Source 2013 Singleplayer PC: Windows
2022 BrainBread 2 BrainBread 2 Reperio Studios Reperio Studios Source 2013 Multiplayer Source 2013 Multiplayer PC: Windows, Mac, Linux Originally available as Early Access in 2016.
2022 Entropy : Zero 2 Entropy : Zero 2 Breadman Breadman Source 2013 Singleplayer Source 2013 Singleplayer (Mapbase Mapbase) PC: Windows Sequel to Entropy : Zero Entropy : Zero.
2022 They Hunger: Source They Hunger: Source Post-GoldSOURCE Post-GoldSOURCE Source 2013 Singleplayer Source 2013 Singleplayer PC: Windows
2022 Jabroni Brawl: Episode 3 Jabroni Brawl: Episode 3 Team Jabroni Team Jabroni CS:GO engine branch CS:GO engine branch PC: Windows, Linux
2023 Mistake: Source Mistake: Source NOUG4AT Unified Network Source 2013 Singleplayer Source 2013 Singleplayer PC: Windows
2023 Military Conflict: Vietnam Military Conflict: Vietnam Dustfade Dustfade CS:GO engine branch CS:GO engine branch PC: Windows, Linux
2023 Swelter Swelter SnowDropEscape development team Eduard Rostovtsev, SnowDropEscape development team Source 2013 Singleplayer Source 2013 Singleplayer PC: Windows, Linux
2024 Portal: Revolution Portal: Revolution Second Face Software Second Face Software Strata Source Strata Source PC: Windows, Linux First Source Source game to use Strata Source Strata Source engine, a heavily modified version of Source which features many changes and improvements to bring it closer to modern standards.

Unreleased

This section are for unreleased 3rd party games and tools that are not publicly released or is in Beta/Early Access.

Release Date Title Developer(s) Publisher(s) Engine branch Platforms Notes
TBA Infestus Team Infestus Team Infestus Source 2013 Multiplayer Source 2013 Multiplayer PC: Windows, Mac, Linux Currently in closed beta.
TBA Momentum Mod Momentum Mod Momentum Team Momentum Team Strata Source Strata Source PC: Windows, Linux Currently in closed beta.
TBA Half-Life 2 RTX Half-Life 2 RTX Orbifold Studios TBA Source 2013 Singleplayer Source 2013 Singleplayer[confirm] PC: Windows
TBA Portal 2: Community Edition Portal 2: Community Edition P2:CE Team P2:CE Team Strata Source Strata Source PC: Windows, Linux Currently in closed beta.
TBA PUNT PUNT LunchHouse Software LunchHouse Software Portal 2 engine branch Portal 2 engine branch (heavily modified) PC: Windows

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