In 'Whose Secret is it, Anyway?', players find themselves at a morose high school reunion where past sins and hidden secrets bubble to the surface. Each participant carries a crucial secret that they desperately want to safeguard, but at this reunion, they'll have to confront their past lives, navigate quirky characters, and manipulate a game of secrets to secure their safety. Players take on the role of a determined investigator who can dig into the past through dialogues, mini puzzles, and tense social interactions, ultimately revealing or concealing the secrets of their former classmates. Each decision made alters relationships and the mystery’s outcome, leading to multiple endings filled with dramatic twists and absurd revelations.