In 'Mindbender: Whose Hello, Anyway?', players assume the role of a gifted but reclusive telepath named Sam, who suddenly finds themselves at the center of a conspiracy involving a shadowy organization that manipulates memories. As Sam navigates through a surreal landscape of shifting realities—where the past and present intertwine—the player must solve intricate puzzles hidden within the thoughts of different characters while deciphering who can be trusted. Each choice alters the course of Sam's perception and the world around them, leading to multiple endings that leave players questioning the very nature of reality and identity.