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Multiplayer take-off in GEFS 1.4c
Multiplayer take-off in GEFS 1.4c
Original author(s)Xavier Tassin
Initial releaseOctober 2010; 9 years ago (2010-10)
Stable release
2.7 / July 1, 2019; 3 months ago (2019-07-01)
PlatformOpen Web Platform, Android, iOS
TypeAmateur flight simulation

GeoFS is a multi-platform flight simulator based on the Cesium WebGL Virtual Globe.[1] The game features a variety of planes, and makes use of satellite and aerial imagery. The game also features multiplayer environment for pilots to interact with each other. In Q4 2018, the GeoFS app was released for both Android and iOS devices.


Created by Xavier Tassin, GeoFS was launched in October 2010.[2] It was originally built on the Google Earth plug-in as GEFS-Online (Google Earth Flight Simulator).[3][4] On September 1, 2015, support for the Google Earth plugin ended, which nearly resulted in a complete shutdown of GEFS-Online. In January 2016, in light of the Google Earth plugin's termination, GEFS-Online migrated to CesiumJS, an open source virtual globe platform.[5]


  1. ^ "GeoFS Homepage". GeoFS.
  2. ^ "It's live!". GeoFS Announcements Blog.
  3. ^ "Webscape: Virtual ballooning". BBC World News - Click.
  4. ^ "The unofficial Google Earth Flight Simulator gets a new home and a slew of enhancements". Google Earth Blog.
  5. ^ "Moving GEFS Online from Google Earth to Cesium". Cesium Blog.