A mega-dungeon that supports a full-year campaign. A legendary adventure considered by many to be one of the greatest of all time! Explore a thousand-year-old dungeon mystery waiting to be solved...

The Cats Doing Science pin project was so popular that we are creating even More Cats Doing Science pins!

Whether you’re a group of local heroes sent to investigate mysterious goings-on in the nearby haunted wood, or famous mercenaries plotting and scheming in the big city, the MCDM RPG makes building adventures and fighting monsters fun.

The original book of old-school RPG traps returns for 5E and DCC RPG! A compendium of catastrophic traps, sinister snares, engines of evil, and deadly devices with with full game stats for a folio of fearful fates.