If there's one D&D campaign every party should run, it's Curse of Strahd. The gothic horror romp is turning 10 this month, and there's a good reason why it's still played so religiously by fans – it's bloody excellent.
Pun very much intended, by the way. This is amongst the most brutal D&D adventures around, but it's laced with enough baroque charm to lure would-be heroes into its clutches. This is the ultimate vampire story; it's basically what would happen if you threw a handful of Dracula into a cauldron of swords 'n' sorcery, then stirred. It's all dark secrets, vengeful monsters, sins turned deadly, demonic pacts, and monsters that Guillermo del Toro would be proud of. If you've yet to dive in, I couldn't recommend it enough. It's one of the best campaigns for one of the best tabletop RPGs. Indeed, it's popular enough that Dungeons & Dragons is returning to that well again later in 2026 with Ravenloft: The Horrors Within.
