Castle Greyhawk 5e: The Ruins of Castle Greyhawk (November 2026), the Dungeon Where D&D Began, and How to Search It
The Ruins of Castle Greyhawk comes to D&D Beyond in November 2026: four adventures for levels 5 to 10 from Baldman Games, built on the 2024 rules, "featuring the iconic three towers and the dungeons beneath them" [1]. It is the fifth published go at a dungeon Gary Gygax started under his own house rules in 1972, and the owlbear's…