The game focuses on both the material and economic challenges of building a permanent, fully functioning space station in geocentric orbit.

These scenarios consist of mundane tasks such as setting up a simple space station, to developing and supplying a specified amount of high-grade, zero G pharmaceuticals, and to being the first to contact alien life.

While the single-player portion was praised, the review felt the game had too high a learning curve to be really suitable for multiplayer.

[3] In 1992 and 1994 surveys of science fiction games the magazine gave the title two-plus stars of five, calling it "An interesting failure ... the logistics just are not that much fun".

reviewed the game more favorably, stating that "EOS offers a level of challenge unusual in space-related software.