“Bringing Left 4 Dead into your marketing mix also brings in the expectations of Left 4 Dead, thus opening yourself up to a lot more criticism.“ -Adam Sessler (G4TV)
All B4B gameplay is patched and recorded post-launch.
All L4D1 clips have been recorded on the original L4D.
Interviews:
Game Informer
thegameawards
IGN
TheWeeklyBlend
Game Informer
IGN
Gamespot
GameTrailers
G4TV
Ending:
Mega64
IGN
Techniche
Gamereactor
GDC
GameTrailers
Steam Dev Days 2014
IGN
GDC
Inside Xbox