In 'Phoned Up: Who's Calling?', players step into the shoes of a beleaguered personal assistant who stumbles upon a mysterious phone. With no memory of how it got into their hands, they must decipher the chaotic voicemail messages, cryptic texts, and ominous photos while navigating a tangled web of deceit involving quirky clients, ominous rivals, and absurd misunderstandings. As you interact with the characters and make choices, every decision affects the outcome of the investigation, leading to multiple endings. Can you piece together the clues before the phone's owner comes back to claim it—or worse?