Always liked the idea of using the tabletop framework as a template, if only to make it accessible to a broader audience. Like, if high fantasy strikes you as low reality, or following dusty old campaign books just isn’t your bag, you can enjoy all the social creativity of tabletop games in any story setting if you’re willing to roll your own everything. World building becomes more of a group activity, so you might spend a lot of time setting things up, but then everyone can take it as seriously as they wish without feeling out of the loop.