The hardcorehellcampaign_patch.zip file you have requested: Maps / Map Packs / The Ultimate Hell Campaign (Patch) - 520.36kb is not available. Perhaps try browsing all files for the game Doom III and upload any files you want to share or are missing. This is the only information we could locate:
There was a couple of zombies missing in [file="52013"]The Hell Campaign[/file], 4 in the freaky room and 1 in the demon lab levels. They appeared as small black boxes in the affected maps.