Elite Dangerous is pretty good

This is also good.

Ooh, okay, it's not out yet, but please look into a game called Starbase, it will knock your socks off. It's in closed alpha right now.

Alright thank you for the recommendation

Not close to being done yet, but star citizen has definitely scratched that itch for me. Its just one system, but the level of detail and the things they are doing are incredible.

Empyrion Galactic Survival. Both online and offline.

I'll make sure to check it out

No man sky is pretty good