- The Outer Worlds
- No Man's Sky
- While I do not have it, I have heard great things about it. Everspace (1 and upcoming 2)
- ASTRONEER
- Borderlands series (Maybe not RPGish, but fits the bill)
- Elite Dangerous
- The Solus Project
- Space Engineers
If your looking for puzzly, thinking, not full on combat stuff:
- Quern - Undying Thoughts
- Phoning Home
- Firewatch
- Obduction
- Event 0
- Among the Sleep
- Haven Moon
A lot of people will not play or like the indy type games, but If you catch them at sales and what not, they can be a good boredom killer.