I have played (and this is a small selection as I have gamed for 33 years)
X4
Starborne 2
Freelancer
Privateer 2
Wing Commander (all)
DSL (Dark and Shattered Lands) Role-play MUD 1 year ADMIN
Carrion Fields HARDCORE Role-play MUD
Moosehead SLED MUD
I value a good role-play environment and I believe Star Citizen is intended to be an immersive experience so in playing it with role-play as your focus you will get the full joy and intent of its creator.