The Twilight Zone series, "The Outer Limits". Rod Serling sued the Marketts for quoting the four-note motif from "The Twilight Zone", without his approval, which resulted in the change of the title to ""Out of Limits"". It reached number 3 on the "Billboard" Hot 100 chart in 1964. It sold over one million copies, and was awarded a gold disc. Many other musicians have written and performed music based on the "Twilight Zone", including: 2 Unlimited ("Twilight Zone"), Anthrax ("Intro to Reality"), Average White Band, John Cale, Dr. John, David Dubowski ("To Serve Man"), Golden Earring ("Twilight Zone"), Michael Hurley, Tech N9ne, Iron
System's Twilight System's Twilight System's Twilight: An Abstract Fairy Tale is a graphical interactive fiction computer game created by Andrew Plotkin and released in 1994. The game is a combination of puzzle and story, combining several different kinds of logic puzzles and word puzzles. The puzzles include variations of Set, Black Box, and Sokoban, as well as many others. The overarching story is an allegory in which the player and other characters are programs in a broken, dysfunctional computer environment. Originally, Plotkin released System's Twilight as shareware. Since 2000, it has been re-released as binary-only freeware. It runs only on the Mac