Hellblade Senua's Sacrifice is a haunting and emotional journey into the depths of psychosis. Unreal Engine 4 is used to masterfully depict Senua's fragmented reality, with disturbing visions and whispers seamlessly integrated into the gameplay. The game's use of photogrammetry creates incredibly realistic environments and character models, further blurring the lines between reality and Senua's troubled mind. Hellblade Senua's Sacrifice is a powerful example of Unreal Engine game development being used to tell a deeply personal and impactful story.