Here’s a detailed review of the search term — broken down by context, since “Atmosphere” could refer to different plugins depending on your software.
Several games use "Atmosphere" or "Atmospheric" plugins to overhaul their lighting and weather systems: atmosphere plugin download
Originally a synth plugin (discontinued), but often searched for legacy downloads or confused with (which has Atmosphere presets). Many searches for “Atmosphere plugin download” actually lead to Native Instruments’ Absynth or Omnisphere ’s atmospheric pads. Here’s a detailed review of the search term