List
The ones that did something noteworthy on the technical side
The ones that did something noteworthy on the technical side
Check the game source sections for links to source code for some of these.
Underworld Engine - 1992
Ultima Underworld, Ultima Underworld II and System Shock.
Id Tech 1 - 1993
Doom, Heretic and Hexen.
Doom engine code review - 2010
Doom Iphone code review - 2010
Descent - 1995
Descent & Descent II
Build Engine - 1995
Duke Nukem 3D, Shadow Warrior and Blood.
Duke Nukem 3D Code Review - 2013
XnGine - 1995
The Terminator: Future Shock, Terminator: SkyNET and TES 2: Daggerfall.
Id Tech 2 - 1997
Quake, Quake 2
Quake Engine code review - 2009
Quake 2 Source Code Review - 2011
Sith engine - 1997
Jedi Knight and Jedi Knight: Mysteries of the Sith
Dark Engine - 1998
Thief: The Dark Project, Thief II: The Metal Age System Shock 2
The 3D Software Rendering Technology of 1998's Thief: The Dark Project - 2011
Unreal Engine 1 - 1998
Unreal, Unreal Tournament, Deus Ex and Rune.
Id Tech 3 - 1999
Quake 3 Arena
The Quake 3 Rendering Engine - 1999
Quake 3 Source Code Review - 2012
Unreal Engine 2 - 2003
Unreal II, Unreal Tournament 2004, BioShock and Thief: Deadly Shadows
Id Tech 4 - 2004
Doom III
Doom3 Source Code Review - 2012
Doom3 BFG Source Code Review - 2013
Doom3 BFG Documentation - 2013
Cry Engine 1 - 2004
Far Cry
Source engine - 2004
Unreal Engine 3 - 2006
Gears of War, Mass Effect and. Unreal Tournament 3
Cry Engine 2 - 2007
Crysis
Id Tech 5 - 2011
Rage
Cry Engine 3 - 2011
Crysis 2, Crysis 3 and Sniper: Ghost Warrior 2
Others
Jurassic Park: Trespasser CG Source Code Review - 2014
Prince Of Persia Code Review - 2013
"Another World" Code Review - 2011
Wolfenstein 3D for iPhone - 2009
The G3D Innovation Engine
http://casual-effects.com/g3d/
https://github.com/openxray/xray-16
Lumix Engine
https://github.com/nem0/lumixengine
Tombstone Engine API Documentation
http://tombstoneengine.com/docs/
WickedEngine
https://github.com/turanszkij/WickedEngine