One-Roll Engine was used for the horror game created by whom?
One-Roll Engine:  The system was expanded upon in the modern-day sequel, "Wild Talents," as well as the heroic fantasy game "Reign" and the free horror game "Nemesis." Nemesis (role-playing game): Nemesis is a supernatural horror role-playing game, created by Dennis Detwiller, Greg Stolze and Shane Ivey, with game mechanics by Greg Stolze.
Dennis Detwiller, Greg Stolze and Shane Ivey