Eldritch Horror Expansion : Mountains of Madness

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SKU: 927
UPC: 9781616619770
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Do you have the strength to survive Antarctica’s frozen wastes, encounter the Mountains of Madness, and stave off the end of human civilization?

Inspired by H.P. Lovecraft’s novella about an Antarctic expedition ravaged by inhuman, prehistoric creatures, this expansion allows you to trace the doomed expedition’s path and enter the immense City of the Elder Things.

Eight investigators offer you new roles to play while additional Assets, Spells, Artifacts and Conditions may help investigators or harm them. For the first time, Adventures and Prelude cards shape the international struggle against the Ancient Ones.

This is not a standalone product. A copy of Eldritch Horror is required to play.


  • Antartica Side Board
  • Rulebook
  • 8 Investigator Sheets
  • 2 Ancient One Sheets
  • Sets of Mythos and Mystery Cards
  • 156 Encounter Cards
  • Multitude of Assets, Conditions, Gates, and Monsters


Players: 1–8
Ages: 14+
Designer: Nikki Valens