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Source is a 3D video game engine developed by Valve Corporation. It debuted in June 2004 with Counter-Strike: Source, followed shortly by Half-Life 2, and has been in active development ever since. Unusually for a game engine, Source does not have a meaningful version numbering scheme; instead, it is designed in constant incremental updates.
Source was created to power first-person shooters, but has also been used professionally to create role-playing, side-scroller, puzzle, MMORPG, top-down shooter and real-time strategy games.
Notable technology
The Source engine implements:
* Direct...