What are the feature differences between the Athena At Home and Athena for Clubs versions?

The club version is fully integrated with Orion and supports running formal competitions and practice matches.

The At Home version runs independent of Orion and is intended for practice only, though practice mode includes both informal and formal modes, for unlimited shots or to simulate a course of fire, respectively.

The Club version will continue to operate without Internet access, while the At Home version is subject to Internet disruptions.