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Release Date
Released Aug 2, 2003

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Previously referred to as the 'Doom 3 Engine', Tech 4 is id Software's current licensing platform. Powering games such as Doom 3, Quake 4 and Enemy Territory Quake Wars, Tech 4 revolutionized the use of realtime dynamic lighting as well as other technologies.

  • id Tech 4 - Quake 4
  • id Tech 4 - Doom 3
  • id Tech 4 - Doom 3
  • id Tech 4 - Brink
Doom 3 Source Code Released


Doom III

Doom 3 Source Code Released

Doom 3 Source Code released! Read on to find out more!

Nov 23, 2011 Doom III
Doom 3 Speed Mapping Contest #1 Results


Doom III

Doom 3 Speed Mapping Contest #1 Results

The results of the Doom 3 Speedmapping Contest #1!

Oct 26, 2011 Doom III
Doom 3 Boss Contest Is Over!


Doom III

Doom 3 Boss Contest Is Over!

Here's the downloads/screens of the entrants! Check out what people have been working on for a little over a month!

Feb 5, 2009 Doom III
Interview with official ET:QW Community Site!


Wheels of War

Interview with official ET:QW Community Site!

Project Lead Domipheus and Deputy Lead NoSoup4U have been interviewed by Splashdamage over at the official Enemy Territory:QUAKE Wars Community site to mark the release of the full version 1.4 modding...

Jan 31, 2008 Wheels of War
Quake 4 HardQore Released


Quake 4: HardQore

Quake 4 HardQore Released

The Final Build of HardQore is now available for download. It comes in both manual install and self installing. The release includes all the changes from the previously released patch, 5 new levels and...

Dec 29, 2007 Quake 4: HardQore
Comments  (0 - 10 of 54)
serbiano Oct 2 2012, 6:37am said:

how can i get it please

+1 vote     reply to
serbiano Oct 2 2012, 6:35am said:

please help to download id tech

+1 vote     reply to
serbiano Oct 2 2012, 6:32am said:

can u guys please help me with a link of description to get and istall id tech

+1 vote     reply to
Bryan_See Aug 19 2012, 1:53pm said:

Ever since the source code for Doom 3 engine (also known as id Tech 4 engine) has been released nine months ago, the information on id Tech 4 here on ModDB says the license is commercial, rather than GPL'd. I'd believe this should be updated soon.

+3 votes     reply to
FiredFox3 Jun 22 2012, 7:03pm buried:


Object engine. where indie games on this shitoengine? NOGAEMS!! HAAA_AAA!!! PS3-Master -_-

-7 votes     reply to
ADTeam™ Jul 10 2012, 8:16pm replied:

You're an absolute jerk. "Prey 2", "IODoom3", etc. They are all using Id Tech 4 technology/engine.

+5 votes     reply to
ShadowsRage Jun 15 2012, 10:37am said:

If anybody is looking for a code review check: Fabiensanglard.net there is also code reviews for quake and doom and they are pretty damn good.

+3 votes     reply to
anonreclaimer Apr 10 2012, 8:44pm said:

Wow just compile doom 3 now does anyone know how to make and use megatexture for doom 3 so I can make outdoor singleplayer levels

+2 votes     reply to
Megadave2003 Jan 26 2012, 9:33pm said:

Can somebody someday make a compiled version into an editor?

+2 votes     reply to
Guest Nov 29 2013, 7:56pm replied:

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