offline, Call of Duty: Modern Warfare 2, PC, gamer, solo play, no internet connection, single-player campaign, immersive gameplay, detailed graphics, realistic textures, dynamic lighting, first-person shooter, action-packed, military uniform, tactical gear, urban environment, abandoned buildings, strategic cover, intense combat, dramatic shadows, high-resolution textures, atmospheric effects, engaging storyline, cinematic experience, keyboard and mouse controls, surround sound audio, offline mode enabled.