In 'Echoplex: Who's There?', you play as a freelance sound designer who receives a mysterious audio file containing chilling whispers and unsettling sounds. When you begin to investigate the origin of this haunting mix, you uncover a web of intrigue connecting a reclusive artist, a hidden cult, and dark influences that reach far beyond the realm of sound. As you engage with various characters through text-based conversations and make critical choices, every decision influences the unfolding narrative. Your understanding of reality will be tested as you realize that what you hear will determine not only your fate but also the fate of those you care about. Will you be able to navigate the soundscape of secrets, or will you lose yourself in the echoes of the past?