Random events that happen across a star system would be cool, no? The player gets given a notification about the event taking place and on what planet / moon. The events range from: Pirate Raid: Pirates beam down near a place and begin attacking everything they can. Battle: Two opposing groups fight on an area. You can come in and fight them both. Colonisation Attempt: A group attempts to build a colony. You can help them, or kill them. I can't think of any more events, but if you can, please share .