historicalsource

doom3

DOOM³ (2004) by id Software, Inc.

dukenukem3d

Duke Nukem 3D (1996) by 3D Realms Entertainment, Inc.

quake

Quake (1996) by id Software, Inc.

descent2

Descent II (1996) by Parallax Software Corp.

quake2

Quake II (1997) by id Software, Inc.

quake3arena

Quake III: Arena (1999) by id Software, Inc.

hexen2

Hexen II (1997) by Raven Software Corporation

wolf3d

Wolfenstein 3D (1992) by id Software, Inc. for DOS

jediacademypc

Star Wars: Jedi Knight - Jedi Academy (2003) by Raven Software Corporation

wolf3dbrowser

Wolfenstein 3D (2012) by id Software, Inc. for web browsers

penumbraoverture

Penumbra: Overture - Episode 1 (2007) by Frictional Games AB

quaketools

The source release of the Quake tools and utilities

doomios

The Ultimate DOOM (2009) by id Software, Inc. for iOS

canabaltios

Canabalt (2009) by Adam Saltsman for iOS

doomios2

The Ultimate DOOM (2009) by id Software, Inc. for iOS

quake2tools

Quake 2 Tools GPL Source Release

enemyterritory

Wolfenstein: Enemy Territory (2003) by Splash Damage, Ltd

hovertank3d

Hovertank One (1991) by id Software, Inc.

rtcwmp

Return to Castle Wolfenstein Multiplayer GPL Source Release

rtcwsp

Return to Castle Wolfenstein Single Player GPL Source Release

wolf3dios

Wolfenstein 3D (2009) by id Software, Inc. for iOS

arxfatalis

Arx Fatalis (2002) by Arkane Studios SA

jediacademyxbox

Star Wars: Jedi Knight - Jedi Academy (2003) by Raven Software Corporation

gtkradiant

GtkRadiant GPL Source Release

AOTMC89

Konix Multisystem - Attack Of The Mutant Camels '89 V0.4 - Source Code

ironseed

aquaplus-sources

A git clone of the Aquaplus GPL source code release disc

darkreign2