The Visitor (2010)

From the introduction: In a nutshell: "Alf" meets "Sign in Stranger" when an eight-foot-tall incomprehensible alien starfish comes to live with a normal human family to try and understand our species. User summary: One player assumes the role of an inscrutable alien being. The remaining players assume the roles of a human family. Game setup involves consulting a few random tables to establish the setting and aspects of character roles. Play then follows predominantly a shared narrative development.