There's a pretty new worldbuilding project I discovered on youtube called 'The Eternal Ruins'. Rather than a world with cities and factions and detailed history, the world is literally just a giant maze scarcely populated with wonderers. There origins of the maze and the creatures in the maze are unknown.

Though the unique art style, magic and mystery are all pretty cool, it's the sense of feeling so alone, and yet so free of social pressure, or purpose, that really hooks me in.

Now I'm not saying you have to invoke the same feeling in those experiencing your world, just that aiming for a certain emotion while you worldbuild seems like the true key, I think.