In this unique psychological mystery, you play as Echo, a quirky amateur detective with a knack for deciphering cryptic greetings left on postcards throughout a decaying metropolis known as Neutropolis. Each postcard contains an enigmatic 'hello' accompanied by a puzzling riddle that points to different locations and characters in the city. Unravel the intertwined stories of eccentric residents while uncovering their secrets through interactive dialogues and clever choices. The deeper you go, the more you realize these hellos are connected to a larger conspiracy that challenges your understanding of reality and identity. Expect unexpected twists, humor, and dark undertones as you piece together the narrative while navigating the bizarre inhabitants of Neutropolis.