Marble Hornets
A found footage series compiled into a single movie on YouTube, was never fully released as a theatrical film, however I feel it deserves to be recognized as a movie
Directors: Joseph DeLage, Troy Wagner
Writers: Eric Knudsen, Joseph DeLage, Kirill Baru, Tim Sutton, Troy Wagner
Homepage: https://www.youtube.com/@MarbleHornets/videos
IMDB: tt1885304