Fallout 4, post-apocalyptic, single-player, RPG, open-world, Boston ruins, advanced power armor, feral ghouls, super mutants, dynamic weather, day-night cycle, abandoned buildings, crafting system, Pip-Boy interface, Vault-Tec, radiated landscapes, retro-futuristic design, atmospheric lighting, detailed textures, immersive sound effects, third-person perspective, first-person shooter mechanics, action-packed combat, exploration, survival elements, narrative-driven, side quests, moral choices, character customization, male protagonist, female protagonist, dog companion, Dogmeat, Brotherhood of Steel, The Institute, Minutemen, Railroad faction, radiated creatures, mutated flora, desolate atmosphere, ambient occlusion, volumetric lighting, detailed shadows, high-resolution textures.