Id Tech 2

id Tech 2 ▶

GoldSrc ▶ Source ▶ Source 2 id Tech 3 ▶ id Tech 4 ▶  id Tech 5 ▶  id Tech 6 ▶  id Tech 7 ▶  id Tech 8

This is a disambiguation page, a list of pages that otherwise might share the same title.
If an article link referred you to this title, you might want to go back and fix it to point directly to the intended page.

This page documents information about an engine not developed by Valve. This information is documented here because it has technical and/or historical relevance to Valve's engines.

Todo: Mention FTE, a notable fork of the Quake I engine. See Quake#Source ports for more info.

id Tech 2

Developer(s)

id Software

Release date(s)

21 December 1999 (Source code release)

Platform(s)

MS-DOS, AmigaOS, Windows, macOS, Linux, Xbox One, Xbox Series X/S, PlayStation 4, PlayStation 5

Written in

C, Assembly (for software rendering & optimization)

License

GNU GPL-2.0-or-later

Links

id Tech 2 source code

Successor

GoldSrc

id Tech 2, also known as Quake engine, is an engine created by  id Software for Quake, and later modified for Quake II. It was used as the foundation for GoldSrc and all subsequent Valve engines.

id Tech 2 consists of the following two "branches":

• The Quake Engine, developed for Quake and used by several other games
• The Quake II Engine, developed for Quake II and used by several other games

Both id Tech 2 engine branches were later made open-source under GNU GPL 2.0 (or later) license.

See also

• id Tech 3, the successor to id Tech 2 developed for Quake III.
• id Tech 4, developed for Doom 3