Was told prior to QuakeCon that he couldn't speak about the game's development.
Will pursue other personal interests.
But will Doom 4 be there?
id Software is porting 'big project' to new platforms.
Doom 4 developer has learnt its lesson over announcing a game too early.
id has shifted its focus away mobile development to focus on Doom 4.
The Texas studio says leaked images have nothing to do with what we're going to see with Doom 4.
DOOM 4 hasn't been cancelled, despite rumours suggesting otherwise and the apparent reveal of screens and concept art.
After its no show at last year's event, everyone's hoping 2012 will be the year of Doom 4.
Reports from an anonymous source suggesting Doom 4 has been indefinitely postponed have been labelled "complete boll****" by Bethesda VP of PR and marketing, Pete Hines.
Report points to poor RAGE reviews and lack of confidence in id management.