"Hellblade: Senua's Sacrifice" is an action-adventure video game developed by Ninja Theory. Released in 2017, it follows the journey of Senua, a Celtic warrior, as she ventures into the Norse underworld to rescue the soul of her deceased lover, Dillion. The game is notable for its focus on mental health, particularly psychosis, and incorporates elements of Norse mythology. The gameplay combines exploration, puzzle-solving, and combat, with an emphasis on immersive storytelling. Players experience Senua's struggles through stunning visuals and a unique sound design that reflects her mental state. The game received critical acclaim for its narrative, graphics, and portrayal of mental health issues.