Hi, here is my adventure story if your sister is interested. It uses a lot of advanced directing techniques!
Title - All That Remains
Author - Ren
Instagram - @writer.ren.episode
Genre - Adventure/Sci-fi with a little Romance, Drama, and Comedy
Style - INK
Number of Episodes - 7 (to be continued)
Link - http://episodeinteractive.com/s/6232182390849536
Description - Lily lives in a world that was completely destroyed by a meteorite many years ago. Will she be able to save the lives of her people or will they all perish instead? (CC) (M/F LI)
Features - Full-CC of MC, Semi-CC of love interests, male and female love interest branches, CHOICES MATTER, point system, advanced directing, art scenes, tappable overlays, mini-games
I also agree with other comments that mentioned The Wall, RPG, and Watch Me Fly. These are all really great adventure/fantasy stories!