Dark Sun: Shattered Lands, still the single best computer gaming representation of an epic D&D campaign, edging out even Baldur’s Gate 1-3 in my opinion.

Ultima 7: an RPG built around the goal of immersing the player completely into the game world, eschewing any straightforward gameplay loops. If only the Ultima series had continued going strong, like the Elder Scrolls, rather than fizzling out with 8 and 9…