Quake II engine

Quake II engine
Developersid Software (John Carmack, John Cash, and Brian Hook)
Final release
3.21 / December 22, 2001 (2001-12-22)
Written inC, Assembly (for software rendering & optimization)
PlatformWindows, Mac OS 8, Linux, PowerPC Macintosh, Amiga, Nintendo 64, Dreamcast, Xbox, PlayStation 2
PredecessorQuake engine
Successorid Tech 3, GoldSrc in part
LicenseGNU GPL-2.0-or-later
Websitewww.idsoftware.com/business/idtech2/ 
Repositorygithub.com/id-Software/Quake-2

id Tech 2, popularly known as the Quake II engine , is a game engine developed by id Software for use in their 1997 first-person shooter Quake II. Like its predecessor the Quake engine, the Quake II engine was also licensed to other developers, appearing in several other games of the era, before being made freely available under the terms of the GNU General Public License on December 22, 2001.