post-apocalyptic environment, Fallout 3 game, character with Pip-Boy, modified weapons, power armor, custom skins, enhanced graphics, texture improvements, Wasteland, irradiated creatures, NPC modifications, user interface overhaul, dynamic weather, soft lighting, 3/4 composition, detailed structures, immersive mods, gameplay tweaks, third-person perspective, action pose, exploring, ruins, Capital Wasteland, modded content, Bethesda game, PC gaming, mod installation, Nexus Mods, vibrant shaders, realistic physics, high-resolution pack, fan-made expansions, interactive companions, survival mode, enhanced AI, open-world exploration, ambient occlusion, depth of field effect.