MICROSOFT FLIGHT SIMULATOR will be the largest game world ever made and it will have at least 37,000 world airports and all detailed. This was in a press release by the studio. They have some awesome new info an screens on their website.
https://www.flightsimulator.comWe are led to believe the whole world will be 3D detailed, simialr to how Apple Maps or Google Maps does their 3D mapping, but instead this game will be more detailed.