I think I will try some hardcore game too, maybe the Wallachian count.
Oh for me it's not about trying a 'hardcore' game, it's about not wanting to play something that is too overwhelming because I essentially don't know how to play CK2 properly. I played a decent-ish amount of it when it came out, but was never that into it and thus never got very good at it, plus it's been forever since it came out, and patches/DLC tend to change things quite a lot in Paradox games.