I've never tried using the wormhole generator outside of the scientist career, but if it works, you could use this or the rocket ship to send out an Away Team on daily missions and bring back specimens. This might be a good role for your pilot or security officer.
If the wormhole generator does work you could try and send the captain on diplomatic missions to Sixam and meet with aliens.
If your captain is high enough in skills, he or she can mentor other sims, or even mentor robots, if you plan on including robotics?
You could also use clubs as a way for your crew to do activities together.
It might also be fun to have a mischievous sim. Perhaps a scientist who tests serums on others, or maybe a captain who uses the simray on the crew!
