In 'Whose Diary Is It Anyway?', players step into the shoes of an eccentric amateur detective who discovers a mysterious diary in the most unlikely of places—an abandoned public restroom. As they delve into the pages filled with abstract musings, cryptic messages, and absurd day-to-day anecdotes, players must navigate a quirky cast of characters who come to claim the diary, each with their own bizarre stories and hidden motives. The player must solve puzzles, uncover the truth behind the diary’s owner, and ultimately decide who it truly belongs to, all while encountering humorous scenarios that blend intrigue and hilarity. The outcome shifts based on the choices players make, leading to multiple endings that could range from the absurd to the surprisingly heartwarming.