In 'Number Unknown', you wake up in an unknown location with a stranger's phone in your pocket. With no memory of how you got there, you discover that the phone is a portal to the life of its owner. By interacting with the phone’s apps—messages, social media, and even a few bizarre game invitations—you piece together the mystery of its owner, while also dodging eccentric relatives, over-the-top friends, and comic mishaps that unfold as you try to unravel the truth. Every decision you make influences the story, leading to unexpected twists and hilarious outcomes as you try to return the phone and possibly save the owner’s reputation along the way.