I really like the game Stellaris, even though it's a Paradox game. So here's a little page dedicated to it :)
If you like exploring galaxies, aliens, interplanetary diplomatic disputes, and accidentally releasing eldritch horrors into this world and tanking your economy then Stellaris is the game for you!
One time our empire got a giant pet amoeba, so there's that too!
Other space-themed games to enjoy:
