This article lists every person majorly involved in the development of the Nightmare House series.
Hen Mazolski is the Nightmare House 2's mod leader, mod designer, idea man, mapper, one of the two writers. There are several pictures of Hen in the game that serve as easter eggs. His YouTube account is Hen787.
David Kingery (real name Joseph David Hobbes) is one of the two the writers of Nightmare House 2. He also voice acted Dr. Romero and the Alpha Squad SWAT team. His alias is his middle name combined with unused surname for his character Dr. Kingery, who would eventually become Dr. Romero.
He created some small games as a hobby years before making Nightmare House 2, mostly on the Commodore 64 and Maxis's Klik n' Play. His largest project was a DooM mod titled 'DooM and DooMer'. Unfortunately, these projects were lost during overseas moves and with server crashes, and it's unknown if any copies still exist.
After leaving the Air Force, he returned to college to get a degree in Computer Information Systems. He currently works as an programmer and is currently working on a handful of games on the side.
Aidin was the other half of the Nightmare House 2 music design duo.
Pedro Calvo is the faceposer animator, video editor, and one out of the two texture artists of Nightmare House 2.His YouTube account is tigerboyPT.
Christopher "Guessmyname" Jones is the modeler and one of the two texture artists of Nightmare House 2.
Harry ".eXeC!" Jeffery is the coder of Nightmare House 2.