X³: Terran Conflict

X³: Terran Conflict is a standalone add-on to X³: Reunion and the fifth part of the X-saga. the player is offered considerable freedom of actions. All the already known sectors of the X-Universe and the new Terran sectors are his to explore from the start. He can take part in the complex trading simulation by flying through the sectors himself, building his own factories, and hiring his own pilots to fly transporters for him. (mobygames.com)