Nightmare in the Dark[b] is a platform arcade video game developed by AM Factory, with the assistance of Paon, and released by Eleven/Gavaking on January 27, 2000.[1][2] The game never received an official release for either the Neo Geo AES (home) or Neo Geo CD platforms. It concerns the story of a grave keeper discovering graves being desecrated and his attempt to prevent the graverobbers from inflicting further damage.