While superficially a supernatural horror film, "Truth or Dare (2018)" earns its place amongst the best mystery movies through its core reliance on unraveling a complex and deadly game. The central characters aren't just fighting for survival against a malevolent entity, they're actively investigating the origin and rules of the cursed truth or dare game. The film presents a puzzle box of clues, forcing the protagonists to delve into the history of the game, research past players, and decipher the motives behind the increasingly elaborate and personalized dares they're forced to confront. The suspense comes not only from the looming threat of death but also from the constant need to piece together the fragmented information, making the audience an active participant in solving the mystery alongside the characters. Ultimately, the driving force of "Truth or Dare (2018)" is the need to understand the how and why behind the malevolent force, making it more than a simple slasher flick. The characters are forced to act as detectives, following a trail of cryptic clues and confronting morally ambiguous choices as they uncover the truth about the game's creation and its hidden connections to their own lives. The stakes are high, and the resolution hinges on their ability to solve the central mystery, delivering a satisfying, if somewhat predictable, conclusion that firmly positions the film within the realm of mystery, albeit with a healthy dose of horror elements.