In 'Whose Diary Is It Anyway?', players step into the shoes of a quirky amateur detective navigating through a chaotic world of misfit characters in a small, eccentric town. After an explosion in the town library reveals a mysterious diary, chaos ensues as multiple parties claim it belongs to them. Players must interact with a cast of strange and hilarious locals, uncovering secrets, solving riddles, and piecing together clues to determine the true owner of the diary. As players choose their path, they'll make alliances, face off in hilarious dialogue exchanges, and unravel the colorful backstories of each character, leading to multiple endings based on the choices they make along the way.