Description
Source is a 3D game engine developed by Valve. It debuted as the successor to GoldSrc in 2004 with the releases of Half-Life: Source, Counter-Strike: Source, and Half-Life 2. Other notable third-party games using Source include Vampire: The Masquerade – Bloodlines, Dear Esther, and The Stanley Parable. Valve released incremental updates to the engine during its lifetime. Source was succeeded in 2015 by the release of Source 2.