Visual novel features

Content Features

A Story or Multiple Stories
Illustrations and other visual depictions of story elements
Sound effects set to events of the story or as part of player interaction with interfaces
Music set to the events of the story's mood or theme
Title and ending songs
Scene or character animation
Full motion video (FMV) content
Galleries for illustrations, sound effect, music, or 'behind the scenes' content
Choice systems
Character Customization, including personalization, costumes, outfits, etc.
Unlockable story branches, characters, and content.
Achievements, often with integrations into social gaming platforms like Steam or console platforms.
Minigames

Alternative languages, localizations, translations, and/or culture notes
In-Game content warnings and/or content replacements/censoring, eg: Changing spiders for arachnophobic readers
Captioning for audible content, such as sound effects, lyrics, and other musical cues
Save Slots, automatic saves, and 'Return to Chapter' functions
Adjustable Fonts and other UI elements
Auto Play Mode
Skipping features, e.g: Skip unread, Skip to next choice, Skip all, Skip scene, and Skip minigame