Zyrox
You need add resource harvesting, wreck smelting, staion buiding-maintaining, wrote TRADE AI for spawned trade ships to dock to you station and deliver something, meaning you need new block, new scripts, codes in order to this block to function as resource, exchange resource for credits or vise-versa, apply random PIRATE ship spawn in system, apply game memory for diffirent ships in diffirent system without deleting them automaticly, add factions, faction relationships, write skripts in order to factions to be selfsufficient and have deals-orders-missions with player faction, maybe even text quests, of course you need some UI presentation of diff factions and pirates and aliens and traders,
THIS IS A LOT OF WORK, for reference watch SPACE RANGERS 2 to get some ideas on how to do things i hope i help in some way...maybe