This article has a talk page!This page details development materials of Left 4 Dead.
Left 4 Dead has of yet not received any repo leak, but some interesting stuff has sprung up over the years.
Sub-Pages#
Left 4 Dead Zero LeaksLeft 4 Dead Zero managed to get their hands on a lot of development material related to the game.
L4D2 DialogHundreds of cut lines left over in Left 4 Dead 2 prototypes.
Dam ItTurtle Rock was working on a second mini campaign bridging Dead Air and Blood Harvest.
SDK StuffThe L4D SDK contains the map sources for all of the original four campaigns as well as two zoo maps and an example campaign called Dead Line!