MovieWeb's 10 of the Most Unpredictable Movies of All Time in the Mainstream

"Plot twists have been a long-used resource in film history. Some of them have shocked audiences to the point of becoming cultural touchstones of generations. A lot of these are built upon the certainty and predictability of events prior to the pivoting moment while leaving subtle clues to what will happen, and in some other occasions, the twist turns the whole structure and tone of the film upside down. It's not the same to have a dramatic turning point as to having an unpredictable plot. some films have managed to keep people guessing right from the very start, trading foreseeable situations for turns at every corner. Films done by major studios have resorted to suspense, unreliable storytellers, and labyrinthian plots to make truly unpredictable films. For people who are sick of the same old movie clichés and predictable turns, but who don't want to watch arthouse or experimental films, these are 10 of the most unpredictable mainstream films of all time." - movieweb.com