View source for GoldSrc/Engine versions

List of {{gldsrc|4}} engine versions and build numbers. GoldSrc build number is the number of days since October 24, 1996 (same as {{hammer|1}} editor build date).

=== Finding Protocol version (early GoldSrc builds) ===
For games that doesn't display protocol version when using {{ent|version}} console command, you can record the demo on the old version of the game, then copy the demo file to latest version of a GoldSrc game and try to play it back, user will see these demo error message on console, displaying which protocol version of the old GoldSrc game using:
{{codeblock|Playing demo from demoapr51999.dem.
WARNING! demo protocol outdated.
Demo file protocols 38:4, Engine protocol is at 48:5
Error: Corrupt demo file.
}}

<!-- Originally written by ExtraVirus. New info added by kr0tchet (leonidakarlach) -->
=== List of GoldSrc builds ===
{|class="standard-table" style="width: 100%; text-align: center;"
|- style="z-index:1; position:sticky; top:0;border:2px solid #525252;"
{{EngineBuildTableCaption|engine=GoldSrc}}
|-
| 315 || 0.52 || Half-Life ||  ||                  ? || Sep 4 1997 || Alpha Version
|-
| N/A || 1.07 || Half-Life ||  ||                  ? || late 1997 or early 1998 || Alpha Version
|-
| 676 || ? || Half-Life: Day One ||  ||                  ? || Aug 31 1998 || 
|-
| 738 || 1.0 || Half-Life ||  ||                  ? || Nov 1 1998 || (Speedrun note) There is clipping up
|-
| 740 || 1.0.0.5 || Half-Life ||  || Protocol Version 35 || Nov 3 1998 || 
|-
| 742 || 1.0 || Half-Life ||  ||                  ? || Nov 5 1998 || 
|-
| 813 || 1.0.0.8 || Half-Life ||  ||                  ? || Jan 15 1999 || 
|-
| 893 || 1.0.0.9 || Half-Life ||  || Protocol Version 38 || Apr 5 1999 || Included in Half-Life Platinum Collection (Second Edition, USA), which also ships with 1.1.1.0 patch that can be installed separately.
|-
| 895 || 1.0.0.9 || Half-Life ||  ||                  ? || Apr 7 1999 || 
|-
| 929 || 1.0.1.0 || Half-Life ||  || Protocol Version 38 || May 11 1999 || 
|-
| 943 || 1.0.1.0 || Half-Life ||  ||                  ? || May 25 1999 || 
|-
| 1013 || 1.0.1.3 || Half-Life ||  || Protocol Version 39 || Aug 3 1999 || 
|-
| 1021 || 1.0.1.3 || Half-Life ||  || Protocol Version 39 || Aug 11 1999 || 
|-
| 1202 || 1.0.1.6 || Half-Life ||  || Protocol Version 40 || Feb 8 2000 || 
|-
| 1309 || 1.1.0.0 || Half-Life ||  || Protocol Version 41 || May 25 2000 || Changed [[Developer Console|Console]] fonts. First version to introduce [[VGUI]] (v1), initially used for scoreboard (replacing the old Opposing Force-style scoreboard), and Counter-Strike MOTD. Later VGUI v1 was used for Steam Tracker.
|-
| 1341 || 1.1.0.1 || Half-Life ||  || Protocol Version 42 || Jun 26 2000 || 
|-
| 1460 || 1.1.0.4 || Half-Life ||  || Protocol Version 43 || Oct 23 2000 || 
|-
| 1600 || 6.0.1.6 || Half-Life: Opposing Force ||  || Protocol Version 43 || Mar 12 2001 || 
|-
| 1601 || 1.1.0.6 || Half-Life</br>[[Counter-Strike]] 1.1 ||  || Protocol Version 43 || Mar 13 2001 || 
|-
| 1629 || 1.0.0.0 || Half-Life: Blue Shift ||  || Protocol Version 40 || Apr 10 2001 || 
|-
| 1672 || 1.0.1.3 || Half-Life ||  || Protocol Version 39 || May 23 2001 || [[Half-Life (Dreamcast)|Dreamcast version]] (leaked)
|-
| 1712 || 1.1.0.7 || Half-Life ||  || Protocol Version 43 || Jul 2 2001 || WON binaries for this build are commonly combined with Half-Life 2005 Package (used by Speedrunners), in order to play Half-Life with pre-WON Bhop speed cap.
|-
| 1713 || 1.1.0.7 || Half-Life ||  || Protocol Version 43 || Jul 3 2001 || 
|-
| 1754 || 1.0.0.1 || Half-Life: Blue Shift ||  || Protocol Version 40 || Aug 13 2001 || 
|- id="1757"
| 1757 || ? || Half-Life ||  || Protocol Version 40 || Aug 16 2001 || PS2 Version
|- id="1784"
| 1784 || 1.1.0.8 || Half-Life</br>Deathmatch: Classic</br>Team Fortress: Classic</br>[[Counter-Strike]] 1.3 ||  || Protocol Version 45 || Sep 12 2001 || WON - Bunny hop now have speed cap (it mentions that it was removed but its not completely removed, just heavily nerfed).</br>In {{code|Readme.txt}} and setup changelog: Bunny hopping removed from HLDM, Counter-Strike, TFC, and DMC.</br>This version also adds Miles Sound System (3rd party middleware, used for voice chat), voice chat support, multicast spectator, [https://web.archive.org/web/20070807081933/http://valve.speakeasy.net/survey/ hardware survey] on installer (being the predecessor to Steam Hardware Survey) and other changes such as Caps Lock key is now bindable, HLDM weapons now use client side prediction, and other bug fixes.
|-
| 1786 || 1.1.0.8</br>6.1.0.8 (HL:OF) || Half-Life, Opposing Force ||  || Protocol Version 45 || Sep 14 2001 || 
|-
| 1790 || 1.1.0.8 || Half-Life ||  || Protocol Version 45 || Sep 18 2001 || 
|-
| 2008 || 1.1.0.9 || Half-Life, [[Counter-Strike]] 1.4 ||  || Protocol Version 45 || Unknown (between Jan to March 2002) || WON build with Steam Beta support. Counter-Strike 1.4 Beta. Steam Beta was launch around this time. Tracker (later renamed to Steam Friends) was added.</br>Since most users at the time did not use Steam Beta, a error message "{{code|Tracker Error: TrackerUI.dll invalid, not loading}}" will appear on console, because files related to Steam Tracker is missing.</br>Aside from Tracker and Steam Beta, it relies on VGUI v2 (also introduced with this update) and was used exclusively for the in-game overlay that opens up two windows in-game: Half-Life Desktop and Tracker.</br>Also, users with Steam Beta can play with non-Steam (WON-only) users running on same build.</br>In setup changelog: Steam beta clients and non-Steam clients can play together on the same server now.</br>{{vac|1}} also make debut on this version.</br>All WON versions onward support Steam Beta.
|-
| 2008 || 1.1.0.9 || Half-Life ||  || Protocol Version 45 || Apr 24 2002 || WON build with Steam Beta support. Same as above, this build and subsequent WON builds since 2002 support Steam Beta, and adds Valve Anti-Cheat.
|-
| 2050 || 1.1.1.0 || Half-Life ||  || Protocol Version 46 || Jun 5 2002 || 
|-
| 2056 || 1.1.1.0 || Half-Life</br>Team Fortress: Classic</br>[[Counter-Strike]] 1.5 ||  || Protocol Version 46 || Jun 11 2002 || Last WON (retail) version.
|-
| ? || 1.1.1.1 || Half-Life</br>Team Fortress: Classic</br>[[Counter-Strike]] 1.5 ||  || Protocol Version 46 || Dec 1 2002 || This version can be seen on readme.txt in Steam Half-Life (as of 2025).
|-
| 2349 || 1.0.1.4 || Day of Defeat ||  || Protocol Version 46 || Mar 31 2003 || This version can be also seen in Half-Life (tested on WON {{code|1.1.1.0}}), when you run the game with {{code|-steam}}, enabling Steam Beta support.
|-
| ? || 1.0.1.6 || Half-Life ||  ||                  ? || ? || There is clipping up
|-
| ? || 1.1.0.4 || Half-Life: Opposing Force ||  || Protocol Version 46 || ? || 
|-
| ? || 1.1.0.6 || Half-Life ||  ||                  ? || ? || WON
|-
| 2511 || 1.1.2.0 || Half-Life Dedicated Server ||  || Protocol Version 46 || Sep 9 2003 || 
|-
| 2526 || 1.1.2.0 || Half-Life, Counter-Strike, Counter Strike: Condition Zero Deleted Scenes ||  || Protocol Version 47 || Sep 24 2003 || Steam release build.
|-
| 2567 || 1.0.0.0 || Counter Strike: Condition Zero ||  || Protocol Version 47 || Nov 4 2003 || 
|-
| 2603 || 1.0.0.0 || Counter Strike: Condition Zero ||  || Protocol Version 47 || Dec 10 2003 || 
|-
| 2738 || 1.0.2.5 || Counter-Strike ||  || Protocol Version 47 || Jul 7 2004 || 
|-
| 2771 || 1.1.2.5 || Counter-Strike ||  || Protocol Version 47 || Jun 7 2004 || 
|-
| 2797 || 1.1.2.5 || Counter-Strike ||  || Protocol Version 47 || Jun 21 2004 || 
|-
| 2834 || 1.1.2.5 || Counter-Strike ||  || Protocol Version 47 || Jul 28 2004 || 
|-
| 3147 || 1.1.2.5 || Counter-Strike ||  || Protocol Version 47 || Jun 6 2005 || 
|-
| 3210 || 1.1.2.5 || Counter-Strike ||  || Protocol Version 47 || Aug 8 2005 || 
|-
| 3213 || 1.1.2.0/1.0.0.0 || Half-Life ||  || Protocol Version 47 || Aug 11 2005 || 
|-
| 3248 || 1.1.2.0</br>1.0.0.0 (CZ:DS)|| Half-Life, Counter Strike: Condition Zero Deleted Scenes ||  || Protocol Version 47 || Sep 15 2005 || WON. NGHL. Half-Life 2005 Package. 1.0.0.0 version for Counter-Strike: Condition Zero Deleted Scenes
|-
| 3266 || 1.1.2.0</br>1.1.2.5 (CS) || Half-Life, Counter-Strike  ||  || Protocol Version 47 || Oct 3 2005 || 1.1.2.5 Version for Counter-Strike
|-
| 3329 || 1.1.2.5 || Counter-Strike ||  || Protocol Version 47 || Dec 5 2005 || 
|-
| 3382 || 1.1.2.5 || Counter-Strike ||  || Protocol Version 47 || Feb 6 2006 || 
|-
| 3639 || ? || Counter-Strike ||  || Protocol Version 48 || Oct 24 2008 || Linux Version
|- id="3647" <!-- half-life engine manifest 35-37 -->
| 3647 || 1.1.2.0</br>1.1.2.5 (CS) || Half-Life, Counter-Strike  ||  || Protocol Version 47 || Oct 19 2006 || 1.1.2.5 Version for Counter-Strike
|-
| 3651 || 1.1.2.5 || Counter-Strike  ||  || Protocol Version 47 || Oct 24 2006 || 
|- id="3745" <!-- half-life engine manifest 35-37 -->
| 3745 || 1.1.2.0/1.0.0.0 || Half-Life ||  || Protocol Version 47 || Jan 25 2007 || 
|- id="3779" <!-- half-life engine manifest 38 -->
| 3779 || 1.1.2.0/1.0.0.0 (HL)</br>1.1.2.1 (CS) || Half-Life, Counter-Strike ||  || Protocol Version 47 || Feb 28 2007 || 
|- id="3798" <!-- half-life engine manifest 41 -->
| 3798 || 1.1.2.0/1.0.0.0 || Half-Life ||  || Protocol Version 47 || Mar 19 2007 || Last version to have "Friends" feature.
|-
| 3873 || ? || Counter-Strike  ||  || Protocol Version 48 || Jun 15 2009 || Linux Version
|- id="3932" <!-- half-life engine manifest 42 -->
| 3932 || 1.1.2.0/1.0.0.0 || Half-Life ||  || Protocol Version 47 || Jul 31 2007 || Removed "Friends" menu option in favor of Steam overlay, which was introduced back around September (or earlier) in [https://store.steampowered.com/oldnews/1208 2007].
|-
| 3939 || 1.1.2.5/1.0.0.0/2.0.0.0 || Counter-Strike, Counter Strike: Condition Zero Deleted Scenes ||  || Protocol Version 47 || Aug 7 2007 || 1.0.0.0/2.0.0.0 Version for Counter-Strike: Condition Zero Deleted Scenes
|-
| 4156 || 1.1.2.5/2.0.0.0 || Counter-Strike  ||  || Protocol Version 47 || Mar 11 2008 || 
|-
| 4381 || 1.1.2.6 || Half-Life, Half-Life: Opposing Force, Half-Life: Blue Shift, Counter-Strike, Team Fortress Classic ||  || Protocol Version 48 || Oct 22 2008 || 
|-
| 4382 || 1.1.2.6 || Half-Life, Counter-Strike  ||  || Protocol Version 48 || Oct 23 2008 || Protocol Version 48 Release
|-
| 4383 || 1.1.2.6 || Counter-Strike ||  || Protocol Version 48 || Oct 24 2008 || Linux Version
|-
| 4554 || 1.1.2.2/1.1.2.6/2.0.0.0 || Half-Life, Counter-Strike, Sven Co-op ||  || Protocol Version 48 || Jun 15 2009 || Last version before SteamPipe. GoldSrc Package 2.3. 1.1.2.6/2.0.0.0 Version for CS.
|-
| 4883 || 1.1.2.1 || Counter-Strike ||  || Protocol Version 48 || Mar 8 2010 || 
|-
| 5369 || ? || Counter-Strike ||  ||                  ? || Jul 7 2011 || 
|-
| 5758 || 1.1.2.6 || Counter-Strike ||  || Protocol Version 48 || Jul 20 2012 || 
|-
| 5787 || 1.1.2.6 || Counter-Strike ||  || Protocol Version 48 || Aug 28 2012 || 
|-
| 5936 || 1.0.1.4 || Cry of Fear ||  || Protocol Version 48 || Apr 21 2013 || 
|-
| 5961 || 1.1.2.7 || Counter-Strike ||  || Protocol Version 48 || Feb 18 2013 || 
|-
| 5971 || 1.1.2.7 || Counter-Strike ||  || Protocol Version 48 || Mar 1 2013 || 
|-
| 5999 || 1.1.2.7 || Counter-Strike ||  || Protocol Version 48 || Mar 28 2013 || 
|-
| 6027 || 1.1.2.2 || Half-Life, Counter-Strike  ||  || Protocol Version 48 || April 27 2013 || SteamPipe Beta
|-
| 6153 || 1.1.2.2 || Half-Life, Half-Life: Opposing Force, Half-Life: Blue Shift, Counter-Strike || [https://github.com/ValveSoftware/halflife/tree/de70fada5061965884492178a7d6166646424a4e SDK 2.4] (Aug 31) || Protocol Version 48 || Aug 29 2013 || First SteamPipe Build, GoldSrc Package 1.36
|-
| 7559 7561 || 1.1.2.2 || Half-Life, Counter-Strike  ||  || Protocol Version 48 || Jul 5 2013 (Jul 7 2017) || 7559 - Linux , 7561 - Windows
|-
| 7960 || 1.1.2.2 || Half-Life, Counter-Strike  ||  || Protocol Version 48 || Aug 10 2018 || 
|-
| 8121 || 5.0.1.1 || Sven Co-op ||  || Protocol Version 48 || Jan 19 2019 || 
|-
| 8177 || 1.1.2.7 || Counter-Strike ||  || Protocol Version 48 || Mar 15 2019 || 
|-
| 8196 || 1.1.2.2 || Half-Life ||  || Protocol Version 48 || Apr 3 2019 || 
|-
| 8202 || 1.1.2.7 || Counter-Strike ||  || Protocol Version 48 || Apr 9 2019 || 
|-
| 8245 || 1.1.2.7 || Counter-Strike ||  || Protocol Version 48 || May 22 2019 || 
|-
| 8308 || 1.1.2.2</br>1.1.2.7 (CS) || Half-Life, Opposing Force, Blue Shift, Team Fortress Classic, Ricochet, Day of Defeat, Deathmatch Classic, Counter-Strike 1.6, Counter-Strike: Condition Zero, Counter-Strike: Condition Zero Deleted Scenes ||  || Protocol Version 48 || Jul 24 2019 || 
|-
| 8684 || 1.1.2.2</br>1.1.2.7 (CS) || Half-Life, Opposing Force, Blue Shift, Team Fortress Classic, Ricochet, Day of Defeat, Deathmatch Classic, Counter-Strike 1.6, Counter-Strike: Condition Zero, Counter-Strike: Condition Zero Deleted Scenes || [https://github.com/ValveSoftware/halflife/tree/steam_legacy SDK 2.4] (steam_legacy) || Protocol Version 48 || Aug 3 2020 || Last pre-Anniversary Update build.
|-
| 9884 || 1.1.2.2</br>1.1.2.7 (CS) || Half-Life, Opposing Force, Blue Shift, Team Fortress Classic, Ricochet, Day of Defeat, Deathmatch Classic, Counter-Strike 1.6, Counter-Strike: Condition Zero, Counter-Strike: Condition Zero Deleted Scenes ||  || Protocol Version 48 || Nov 16 2023 || Half-Life 25th Anniversary Update.
|-
| 10210 || 1.1.2.2</br>1.1.2.7 (CS) || Half-Life, Opposing Force, Blue Shift, Team Fortress Classic, Ricochet, Day of Defeat, Deathmatch Classic, Counter-Strike 1.6, Counter-Strike: Condition Zero, Counter-Strike: Condition Zero Deleted Scenes || [https://github.com/ValveSoftware/halflife/tree/master SDK 2.5] ([[GoldSrc_(25th_anniversary)|HL25]]) || Protocol Version 48 || Oct 7 2024 || 25th Anniversary Update - Current version.
|}

== External links ==
* [https://docs.google.com/spreadsheets/d/1ldzhd6vxd-03le5ymesUeG-hLWmxLpH79ajayeYDUNs Valve Engine Build List - Google Docs]
** Originally written by ExtraVirus (SourceRuns), and added to VDC with new info.
* [https://archive.org/details/steam2chunks Steam2 Chunks archive (2005-2009)]
** Many older versions of the game (pre-SteamPipe) can be found here. These games obviously requires Steam to boot, and some games may not work out of the box. Some GoldSrc builds and binaries are still missing on the archive through.
* {{Steamdb}}
** SteamDB can be used to find older versions of the game (starting from 2013 ([[SteamPipe]]) to present). To download older versions, user can use Steam [[Developer Console]] or [https://github.com/SteamRE/DepotDownloader DepotDownloader].

[[Category:Lists]] [[Category:Changelists]] {{GoldSrc topicon}}