Template:Source branches
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This template contains list of Source engine branches, including third-party branches (using {{{show}}} parameters set to thirdparty
).
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Valve
Release date | Title | Developer | Platforms | Notes |
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7 Oct 2004 | Source 2004 | Valve Corporation | PC: Windows | First released with Counter-Strike: Source, later used by Half-Life 2, Half-Life: Source. Later received HDR update in 2005 with the release of Half-Life 2: Lost Coast. |
1 Jun 2006 | Source 2006 | Valve Corporation | PC: Windows | Released with the release of Half-Life 2: Episode One, all previous Valve games using Source 2004 were upgraded to this branch. See Features section for the list of changes and new features. |
10 Oct 2007 | Source 2007 | Valve Corporation | PC: Windows Consoles: Xbox 360, PlayStation 3 |
Also known as "The Orange Box engine branch". Released with the release of The Orange Box (Half-Life 2: Episode Two, Team Fortress 2 and Portal). Half-Life 2 and Half-Life 2: Episode One was also ported to this engine branch exclusively on consoles (Xbox 360, PlayStation 3). See Features section for the list of changes and new features. |
17 Nov 2008 | Left 4 Dead engine branch | Valve Corporation | PC: Windows, macOS (2010) Consoles: Xbox 360 |
Released in 2008 with the release of Left 4 Dead, and later updated for Left 4 Dead 2 in 2009. Runs on newer version of Source, which does not requires Half-Life 2 base content to run. Game files from this branch were stored into VPK files, as opposed to GCF. See Features section for the list of changes and new features. |
3 Jun 2009 [confirm] |
Source 2009 Source Multiplayer |
Valve Corporation | PC: Windows, macOS (2010) | Released in 2009 with an update to Day of Defeat: Source, and later Team Fortress 2. All Source 2006 games (except Half-Life: Source and Half-Life Deathmatch: Source) were upgraded to this branch with the release of Mac update in May 26, 2010 (Half-Life 2 and it's episodes), and later on Windows in June 10, 2010, alongside Counter-Strike: Source update which features many new changes from Hidden Path Entertainment. |
19 Jul 2010 | Alien Swarm engine branch | Valve Corporation | PC: Windows | Released in 2010 with the release of Alien Swarm, a remake of the Unreal Tournament 2004 mod with the same name. This is the only post-Orange Box engine branch with it's source code publicly available for free. |
18 Apr 2011 | Portal 2 engine branch | Valve Corporation | PC: Windows, macOS, Linux (2014) Consoles: Xbox 360, PlayStation 3, Nintendo Switch (2022) |
Released in 2011 with the release of Portal 2. |
21 Aug 2012 | CS:GO engine branch | Valve Corporation | PC: Windows, macOS, Linux (2014) Consoles: Xbox 360, PlayStation 3 |
Released in 2012 with the release of Counter-Strike: Global Offensive, featuring many changes not available with previous branches. This engine branch was later made obsolete with the release of Counter-Strike 2, which is the port of CS:GO to the Source 2 engine, which also adds new gameplay features and remake several maps. |
7 May 2013 | Source 2013 Singleplayer Source 2013 Multiplayer |
Valve Corporation | PC: Windows, macOS, Linux Mobile: Android (Nvidia Shield) Consoles: Nintendo Switch |
Released in 2013, during the transition to the new content distribution system called SteamPipe. All remaining Source 2006 games (Half-Life: Source and Half-Life Deathmatch: Source) and all Source 2009 (including Source Multiplayer sub-branch) were upgraded to this branch. Source SDK Launcher has been deprecated on this branch in favor of launching tools (Hammer, Model Viewer, etc.) through .bat files, located in game name\bin . Aside from that, the SteamPipe update infamously broke tons of old Source engine mods (and even Half-Life: Source), requiring manual fix or unoffical patch in order for it to function correctly. |
9 Jul 2013 | Dota 2 engine branch | Valve Corporation | PC: Windows, macOS, Linux | Released in 2013 with the release of Dota 2, and the last official Source engine branch. This engine branch was later made obsolete with the release of Dota 2 Reborn update, completely upgraded to the new Source 2 engine. |
Release date | Title | Developer | Platforms | Notes |
Third-party
Release date | Title | Developer | Platforms | Notes |
---|---|---|---|---|
11 Mar 2014 | Titanfall engine branch | Respawn Entertainment | PC: Windows Consoles: Xbox 360, Xbox One, Xbox Series X/S, PlayStation 4, PlayStation 5, Nintendo Switch |
Released in 2014 with the release of Titanfall, and later modified further starting with Titanfall 2 and Apex Legends. Runs on heavily modified version of the Source engine, forked from Portal 2 engine branch. |
6 Mar 2020 5 May 2015 (early access) |
Xengine | Crowbar Collective | PC: Windows, Linux | Forked from Source 2013 Multiplayer, with additions from Team Fortress 2. The engine is also hybrid of Portal 2 engine branch and Left 4 Dead engine branch. It featured completely new lighting systems (CSM, Deferred lighting), and many other features listed here. |
7 Jan 2024 | Strata Source | Strata Source (formerly Chaos) | PC: Windows, Linux | Strata is a modified version of the CS:GO engine branch that combines the features of both Counter-Strike: Global Offensive and the Portal 2 engine branch, along with many improvements that bring Source close to modern standards. |
Release date | Title | Developer | Platforms | Notes |
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