GNOSIA immerses players in a Sci-Fi Social Deduction RPG aboard a drifting spaceship threatened by the Gnosia, deceptive beings masquerading as humans. Crew members must collaborate and strategize to identify and eliminate the Gnosia by placing the most suspicious individuals into cold sleep. Through repeated gameplay loops, players unlock new narrative events and develop unique character builds that influence their persuasive abilities. Engaging with a diverse cast, players gather clues and insights through special notes, enhancing their chances of survival while navigating the challenges of trust and deception within the crew.