Tilting at windmills Don Quixote fights windmills that he imagines are giants. A relevant portion of the novel states: Cervantes wrote "Don Quixote" in two parts, published respectively in 1605 and 1615, during the latter part of a historical period known as the Spanish Golden Age. During this age, Spain pursued military conquests in parts of Europe and conquered large parts of the Americas, which brought great riches to the country and inspired a flowering of the arts. In La Mancha, Castilla, Cervantes' setting for the novel, there still exist some examples of the era's windmills that Don Quixote found in his adventures.
Fictional universe one or several authors but are intended to be used non-canonically by others, such as the fictional settings for games, particularly role-playing games and video games. Settings for the role-playing game "Dungeons & Dragons" are called campaign settings; other games have also incorporated this term on occasion. Virtual worlds are fictional worlds in which online computer games, notably MMORPGs and MUDs, take place. A fictional crossover occurs when two or more fictional characters, series or universes cross over with one another, usually in the context of a character created by one author or owned by one company meeting a character