Narcosis is a first-person survival horror game set in the crushing depths of the Pacific Ocean. The player is stranded on the seafloor within a dive suit, a "walking coffin," and must manage dwindling oxygen and deteriorating sanity to survive. The game blends grounded survival mechanics with surreal narrative elements, drawing inspiration from unconventional horror and story-focused titles.Survival necessitates careful resource management, utilizing tools like a knife, flashlight, and flares against the hostile environment and its inhabitants. High-stress situations accelerate oxygen consumption and induce perceptual distortions, impacting sight, sound, space, and time. The narrative unfolds through the survivor's fragmented account, exploring primal fears and human limitations rather than supernatural threats. A closing theme by Akira Yamaoka, known for his work on the Silent Hill series, contributes to the game's abyssal atmosphere.