Haegemonia: The Solon Heritage

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

As a stand-alone expansion pack to Legions of Iron, discover new innovations and even more stunning visuals that launch the Haegemonia experience into light speed. The Solon Heritage is a multiplayer-only package with over 70 new inventions, all new skills and heroes, new spaceships and strategy options with an all-improved AI. Colonize, conquer, conduct research, trade, spy and battle it out … but be diplomatic or extinction of your race is inevitable.

15 new maps in solo and multiplayer modes
10 new ships including diplomatic ships, race-specific ships and probes
Simultaneous Invention Research
New Spy Missions
New special FX created by the unique Walker engine
New Hero and Mercenary Units specifically created to diversify the tactical actions
Rebalanced gameplay for Inventions and Ships