🌐فارسیEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ643572· pop 40· linked from 435 articlesسورسAlso known as Source Engine, VMPIgame engine developed by Valve CorporationKey factsDeveloperValveInitial releaseOctober 2004 ; 21 years ago ( 2004-10 )Written inC++MiddlewareHavokPredecessorGoldSrcSuccessorSource 2LicenseSource-availableWebsitedeveloper .valvesoftware .com /wiki /Source _SDK _Base _2013Repositorysource-sdk-2013 on GitHubvia Wikipedia infoboxWikidata factsOfficial websitedeveloper.valvesoftware.com/wiki/SDK2013_GettingStartedSources (9)Available in 40 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةAfrikaansArmenianConnectionsHalf-LifeEntityDota 2EntityCategories2004 softwareGame engines for LinuxProprietary softwareSource (game engine)Video game engines