Empire is a real time, multiplayer, Internet-based game, featuring military, diplomatic, and economic goals.
Empire is the pinnacle of strategy games in today's world. There is none better.
The project's home page: https://github.com/marknelsonengineer/empire (hosted by GitHub)
The source code is documented at: https://www2.hawaii.edu/~marknels/empire (hosted by The University of Hawaiʻi at Mānoa)
One of the design goals is to make sure Empire is well documented and that the thinking behind major design decisions were written down. To that end, Empire's documentation can be found here:
Someday, when we have players, we'll add links here.
The good news is that Empire should be flexible to configure and fast to run. The bad news is that you'll have to compile it.