Source SDK Base Beta
(Redirected from SDK Beta)
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The following Source SDK Base Beta and previous versions of SDK Base 2013 are available:
Source SDK Base 2013 - Singleplayer
upcoming- Originally was planned to be the next version to be released, but Valve instead abandoned its release. This version was last built in September 2014. Many Source 2013 SP mods (including Mapbase) often require the "upcoming" branch to operate.
Source SDK Base 2013 - Multiplayer (currently based on Team Fortress 2 branch)
prerelease- Upcoming version (based on Team Fortress 2 branch, last updated May 14, 2025 at the time when the page was edited)previous- The previous release (based on Source 2013 Multiplayer, from Oct 2019).previous2021- The previous release (based on Source 2013 Multiplayer, from June 2021). This is the last version of SDK Base 2013 MP on Source 2013 Multiplayer branch. To play older Source SDK 2013 MP mods, you will need to select this beta branch.previous_upcoming- Obsoleted pre-release upcoming version from Oct 2014. Only use for viewing demos or for certain mods.
To switch to beta or older versions of Source SDK Base 2013, on the Steam library, right click "Source SDK Base 2013 Singleplayer" or "Source SDK Base 2013 Multiplayer" > Go to "Game Versions & Betas" and select the beta or previous SDK Base 2013 versions here.
Changelog archives
Note:These archived page applies to Source SDK Base 2007 and Source SDK Base 2006 only.External links
Source SDK Base 2013 Singleplayer - Depots and Branches- Source SDK Base 2013 Multiplayer - Depots and Branches