In 'Lost Signal', players assume the role of Alex, an out-of-work detective who stumbles upon a peculiar smartphone in a bustling subway station. The phone belongs to a charismatic but enigmatic stranger who seems to have vanished into thin air. Through a series of branching dialogues and cryptic messages, players must uncover clues hidden in the phone's apps and contacts, while unraveling the stranger's secrets. Each choice leads to multiple storylines and dramatic encounters, making every decision critical. Will you help the stranger find their way back, or will you unlock a mystery that questions the very nature of identity and reality?