In 'Whose Call Is This?', players take on the role of a disgraced telecommunication engineer who receives enigmatic phone calls from across the globe. Each call presents a unique mystery tied to a stranger’s life, ranging from humorous to heart-wrenching. Players must navigate through a web of coincidences and conspiracies that reveal how interconnected everyone truly is. Decisions made during these calls affect outcomes in multiple stories, leading to varied endings based on the player's choices. Will you help a man find his long-lost sister or dive into a corporate espionage scandal? The clock is ticking as each call lasts only 5 minutes, no matter how dramatic the tale unfolds!