Amnesia: The Dark Descent is a first-person survival horror game where you explore a dark castle as Daniel, solving puzzles and evading monsters without any combat. You manage limited lantern oil and a sanity meter that distorts the screen during moments of extreme stress, forcing careful hiding and environmental interaction. Most players experience it in short, tense nighttime sessions with headphones, often tweaking to medium-high settings for smoothness rather than visual extremes. At 1080p, this resolution aligns perfectly with the game's atmospheric design, delivering sharp details in dimly lit corridors and intricate puzzle objects without pushing hardware unnecessarily. The practical performance demands come from real-time dynamic lighting, shadow mapping, SSAO, and sanity-distortion effects that the older HPL Engine 2 renders on the fly. These create occasional load spikes when multiple light sources or physics objects interact, where stuttering or frame drops immediately break the psychological tension that makes the game effective. Common pain points at this resolution include hitches on integrated GPUs or very low-end hardware during chases or when sanity effects intensify, as the engine's older optimizations do not always hide weak graphics performance. Mods that overhaul textures or add higher-resolution shadows can raise VRAM and GPU demands noticeably. Before choosing a PC, understand that the game is lightweight on stock settings but rewards a dedicated GPU for stable delivery of its core mood and controls, avoiding the frustration of broken immersion in what is otherwise a linear, story-focused experience.