Horror: BEST ONES: Smile Dog, Jeff the Killer, And
Analog Horror: and "Midwest Angelica | A Cosmic Analog Horror Masterpiece," indicate this sub genre is explored.
Suspense/Thriller: suggest a focus on suspense and building tension through text-based narratives. 
Creepypasta/Urban Legends: Textify's videos often adapt chilling online stories and legends into their text formats. (The app used is the texting app)(People: Landen, Hailey, Amilea, Amaya, Sophia, Edward, Camren Reynolds, Cam dykes)