Ayla's brother Rayyan has been missing for five days. An unknown call leads her to the abandoned ECHO Research Facility, closed for twelve years. Rayyan whispers that he is trapped, then warns: “Don't tell the police...” before the line disconnects.
Desktop: WASD move, mouse/look arrows turn, Shift run, C crouch, E interact, F flashlight.
Mobile: left stick moves, drag right side to look, use on-screen buttons.