RSG: No FTL travel
Because this is a Realistic space game, there is no faster-than-light travel. Because it's a 'persistent world' that people can join in and play at any time, this poses some interesting problems.
Here is what I propose:
There are two classes of people in the universe - and two classes of player to match:
Just like you and me. Time passes for morts in realtime. One day out here in the real world is one day in the game. There is no freezing of the world, there is no jumping of time. If it takes you three days to fly from here to there - then you'd better find something else to do while your ship goes from here to there. When you aren't playing, you're in your ship sleeping. If you get killed, you're dead and you have to start again with a new Mort. You can be killed in your ship while you're not playing/asleep. Life is tough...live with it. All game AI's are Morts. All new players are Morts until they earn enough to become...