In 'Whose Phone Is This, Anyway?', players assume the role of a charming yet slightly irresponsible partygoer who wakes up after a wild night at their friend's apartment, only to find a mysterious smartphone in their pocket. With no memory of who it belongs to, players embark on a humorous quest through the apartment building, using text interactions to uncover the identities of quirky neighbors, crack random codes, and unravel the night's hilarious mishaps. Each choice leads to unexpected mini-adventures, revealing bizarre secrets, and hilariously ridiculous outcomes. Solving absurd problems and navigating eccentric relationships, the player must not only return the phone but also piece together the chaos of last night's antics.