Official Page  -  https://assetstore.unity.com/packages/tools/terrain/real-world-terrain-8752  
Official Rating   4 / 28 Votes
Latest Version   4.5.4
Supported Editor Versions   2017.4.36 or higher
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Available downloads

  • Real World Terrain v4.02     March 7, 2020

  • See also... 

      Terrain Composer 2
      Nature Renderer
      EasyRoads3D Demo Project
      World Composer
      Horizon[ON]