Comedy: originally, a drama or narrative with a happy ending or nontragic theme, for example Dante‘s Divine Comedy; more recently, any of various types of play or motion picture with a more or less humorous treatment of characters and situation and a happy ending 

Drama: a literary composition that tells a story, usually of human conflict, by means of dialogue and action, to be performed by actors; play; now often any play that is not a comedy 

Epic: a long narrative poem in a dignified style about the deeds of a traditional or historical hero or heroes; such as Homer's Iliad or the Odyssey, with certain formal characteristics (beginning in medias res, catalog passages, invocations of the muse, etc.) (called classical epic) b) a poem like Milton‘s Paradise Lost, in which such characteristics are applied to later or different materials (called art epic or literary epic) c) a poem like Beowulf, considered as expressing the early ideals and traditions of a people or nation (called folk epic or national epic) 

Fan Fiction: a broadly-defined term for fiction about characters or settings written by fans of the original work, rather than by the original creators.

Farce: an exaggerated comedy based on broadly humorous or highly unlikely situations 

Novella: a relatively long fictional prose narrative with a more or less complex plot or pattern of events, about actions, feelings, motives, of a group of characters 

Parody: a literary or musical work imitating the characteristic style of some other work or of a writer or composer in a satirical or humorous way, usually by applying it to an inappropriate subject 

Satire: a literary work in which vices, follies, stupidities or abuses, are held up to ridicule and contempt.

Short story: a fictitious literary composition in prose or poetry, shorter than a novel; narrative; tale.

Tragedy: a serious play or drama typically dealing with the problems of a central character, leading to an unhappy or disastrous ending brought on, as in ancient drama, by fate and a tragic flaw in this character, or, in modern drama, usually by moral weakness, psychological maladjustment, or social pressures (often seen as requiring catharsis, and a tragic flaw.