video game, Resident Evil 4, inventory management, rotating items, attaché case, puzzle-like arrangement, resource management, realistic textures, metal, wood, leather, item icons, green herbs, red herbs, yellow herbs, first aid spray, ammunition, handguns, shotguns, rifles, grenades, treasure items, survival horror, strategic organization, close-up view, dim lighting, ambient occlusion, high-resolution textures, detailed item design, 3D models, in-game interface, tactical gameplay, item combination, efficient space usage.