id also released the source code to: Wolfenstein 3D: 1995 DOOM: 1997 Quake: 1999 Quake II: 2001 Quake III Arena: 2005 Return to Castle Wolfenstein: 2010

id also released the source code to: Wolfenstein 3D: 1995 DOOM: 1997 Quake: 1999 Quake II: 2001 Quake III Arena: 2005 Return to Castle Wolfenstein: 2010 Wolfenstein: Enemy Territory: 2010 Doom 3: 2011 Some people are still leveraging those codebases and are thankful for their releases. Maybe just don’t read what he has to say.