"More Lore" generally refers to deep dives into the backstories, hidden history, and environmental storytelling of a specific franchise. Below are guides for some of the most popular series where "more lore" is a major part of the experience:

The "unreliable narrator" is a core part of Elder Scrolls lore; many books are written from a biased in-universe perspective.

If you are looking for more lore in the Lands Between, the key is observation and interaction.

Destiny features an extensive "Lore Book" system that provides context for its complex sci-fi universe.