Robert Allen Duffy (born 1963) is an American video game programmer who has been working for id Software since 1999. In 1999, Duffy created the map editor for Quake III Arena. Since 2013, Duffy has been the chief technology officer of id Software.
Credits Robert Duffy's programming work consists mostly of id Software titles, ports of classics like Doom and Wolfenstein 3D are ported over to their respective platforms by other developers. YearTitle Credited for System(s) Notes 1998 Quake II Mission Pack: The Reckoning Additional Editor Tool Programming Microsoft Windows Expansion pack for Quake II developed by Xatrix Entertainment 1999 Kingpin: Life of Crime Additional Tool Programming Microsoft Windows Developed by Xatrix Entertainment 1999 Quake III: Arena Programming, map editor Microsoft Windows 2001 Anachronox Programming Microsoft Windows 2001 Quake III Revolution''' | Programming | PlayStation 2 | Primarily developed by Bullfrog Productions |- | 2001 | Commander Keen| Programming | Game Boy Advance | Primarily developed by David A. Palmer Productions |- | 2001 | Doom (1993) | Programming | Game Boy Advance | Primarily developed by David A. Palmer Productions |- | 2002 | Wolfenstein 3D| Programming | Game Boy Advance | Primarily developed by Stalker Entertainment |- | 2004 | Doom 3| Lead Programming | Microsoft Windows, Linux, Xbox
| 2005 | Quake 4| Programming | Microsoft Windows | Primarily developed by Raven Software |- | 2007 | Enemy Territory: Quake Wars| Programming | Primarily developed by Splash Damage
| 2011 | Rage| Programming Director | Microsoft Windows, Xbox 360, PlayStation 3
| 2012 | Doom 3 BFG Edition| Programming | Microsoft Windows, Xbox 360, PlayStation 3 | Re-release of Doom 3|- | 2016 | Doom'' Chief Technology Officer Microsoft Windows, Xbox One, PlayStation 4, Nintendo Switch
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