Nightmare (game), a board game released in 1991. It was one of the earliest games to combine a video recording with gameplay. It was produced by an Australian company called A Couple of Cowboys
Nightmare LPMud, a multi-user online role-playing game developed in 1991 still played on the Internet today. Nightmare LPMud was the development MUD for the Nightmare Mudlib
Nightmare (Dungeons & Dragons), a demonic creature that has the form of a fire-breathing jet-black horse with flames for a mane/tail in the Dungeons & Dragons RPG
Gamebits - Alone in the Dark is not innovative in its gameplay, but it does offer some thrilling scares and superb lighting effects. Turn off your own lighting and let this new nightmare work its dark magic. Review by Ken Gagne with rating [8.4].