The game Anteworld uses real world data to create a virtual replica of planet Earth.

Features of the engine and its tech-demo Anteworld include: The developers of Outerra in 2012 released[8] an alpha tech-demo for the engine called Anteworld (the name comes from the Latin prefix Ante-, meaning prior-to in time - "A world that was") that consists of a digital replica of the whole planet Earth at a 1:1 scale.

[11] Returning aboard an interstellar colonizer ship built in the Golden Age of Mankind, players arrive on the planet earth to discover civilization and humanity vanished.

That means player can settle in a free location of his choice where he can build and play, and when he goes exploring he'll be able to observe and visit other sites where other players are building their world.In 2013 a separate non-profit motivated group of hobbyists released a first version of terrain data of Middle-Earth compiled for Outerra.

[12] The goal of this digital elevation model project, which was launched by Oshyan Greene and Carl Lingard in 2006,[13] is what they summarize as a "living, breathing Middle Earth" - a highly detailed model which includes rivers, vegetation, buildings, roads and subterranean features.