Episode 4 & 5 can't be selected.

[GoogleCodeExporter]

Even though the "EXTENDED" lump is present in the WAD, episodes 4 and 5 aren't 
listed as selectable episodes.

I'm loading it up as an IWAD in ZDOOM.

Original issue reported on code.google.com by dragonmo...@yahoo.com on 25 May 2015 at 2:08

[Blasphemer]

the problem seems to be endemic of zdoom, since both vanilla heretic and chocolate heretic recognize the extended lump.

EDIT: here's a temporary method to unlock the episodes while we wait for zdoom's support (courtesy of gez)

in your zdoom folder you should have a file named zdoom.pk3, open it (open as a zip file) and search for the file iwadinfo.txt, extract it and open it. between the various iwad definitions you should find this one:

IWad
{
Name = "Blasphemer"
Autoname = "Blasphemer"
Game = "Heretic"
Config = "Heretic"
Mapinfo = "mapinfo/heretic.txt"
MustContain = "E1M1", "E2M1", "TITLE", "BLASPHEM"
BannerColors = "73 00 00", "00 00 00"
}

add the line:
Compatibility = "Extended"
after the mapinfo declaration, save and add the modified iwadinfo.txt to zdoom.pk3, now it should work as intended and you should be able to open episodes 4 and 5.