In 'Whose Diary Is It Anyway?', you play as a quirky detective tasked with uncovering the owner of a mysterious diary found in a bustling city park. As the story unfolds, you'll interact with an array of eccentric characters, each claiming to have written the diary and every entry containing a peculiar confession that could either be a clue or a red herring. You'll need to piece together the diary entries, question the suspects, and navigate through outrageous side quests that reveal who each character really is, all while trying to maintain your sanity amidst the comedy of errors. Your choices will lead to multiple endings, making each playthrough unique and hilariously unpredictable.