Alright, you are in control of a galaxy, you can get neutral systems to join your side( Rebellion or empie) you also have characters, who you send on missions like espionage to gain information about a system, abduction to capture characters from the other side. you also have three facilities, depending on how many and which facilities a system has, you can build things, shipyards to make ships, training facilities to train troops to defend a system or assault another. construction yards to build the other facilities. you can also make fleets to defend or assault a system when a fleetmeets an enemy fleet, you go into a thing where you command the ships( the only real action in the game)