Authors

Kafka (level edition & pictures) & Evil-O (packaging & game creepy music)

Credits

Id Software : for the Doom II release (1994) "Hell on earth" (and the previous and next "Doom" releases)

Sergeant Mark IV : for the Brutal Doom "Mod"

Dominique Mucke Macaire : "Aux catacombes" introduction music

Tools

Slade 3

Doom builder II

GZDoom