Storytelling tropes that are made possible by the nature of interactive media (Video Games, Visual Novels, etc.). In other words, ways to tell stories that are unfeasible without a player actively shaping them. Contrast pure gameplay tropes like Various Videogame Views, Video Game Difficulty Tropes, Video Game Interface Elements, etc.
Narrative branchingMutually exclusive events occur in the story, depending on the player's actions.
Variable endingsThe story shows different outcomes depending on the player's actions.
Narrative rearranging/re-sequencingSame events occur in the story but the player can decide on the order of their occurrence or presentation.
Narrative filigreeSome events only occur in the story if the player takes specific actions and are non-essential to overall plot.
Narrative parallelizationGameplay input runs in parallel with story output.