Eldritch Horror Expansion : Mountains of Madness
SKU: 29990296312

Eldritch Horror Expansion : Mountains of Madness

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Description

Eldritch Horror Expansion : Mountains of MadnessDo you have the strength to survive Antarcticas frozen wastes, encounter the Mountains of Madness, and stave off the end of human civilization? Inspired by H. P. Lovecrafts novella about an Antarctic expedition ravaged by inhuman, prehistoric creatures, this expansion allows you to trace the doomed expeditions path and enter the immense City of the Elder Things. Eight investigators offer you new roles to play while additional Assets, Spells, Artifacts

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.

Contents

  • 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

Details

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

Documents

Rulebook

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SKU: 29990296312

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Dizzle
Lowell, US
★★★★★ 5
Nice kids suit
Size: 5, Color: Light Blue
This is a nice way to play up your son's sophistication. It is a linen suit, but isn't a true linen. It is a blend of linen, polyester and spandex, which isn't a bad thing for kids since it has a softer feel. Sizing was accurate. I'm looking forward to when he can wear this to a formal occasion.
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Reviewed in the United States on October 24, 2025
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SUGAR
Bozeman, US
★★★★★ 5
A suit I ABSOLUTELY love ☺️
Size: 14, Color: Lilac
This 3 piece suit is one of our FAVORITES! I firstly love the color which isn’t one I had seen very often and it’s not to bright, rather more neutral and formal. The suit is of luxury grade and standard with the matching durability along with perfect stitching from buttons to seams. The suit came with 3 flawless pieces (blazer, slacks, and vest) all of which are true to size, well fitting, low maintenance, and very comfortable. I couldn’t think of a better special occasion suit or gift, and I HIGHLY recommend ⭐️⭐️⭐️⭐️
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Reviewed in the United States on November 6, 2025
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Angel
Fort Morgan, US
★★★★★ 5
Such a nice suit!
Size: 14, Color: Beige
I was pleased upon getting this suit for my son. I really like the color, which is kind of like an oatmeal color. Nice and light color. The material is light and thinner, but very comfortable. It fit my son really well. It’s not lined or the best quality suit, but because it is a linen suit, it works out and look really good. I would recommend this one, especially for more of the summer/spring time.
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Reviewed in the United States on October 28, 2025
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JMommy
Whiting, US
★★★★★ 5
Great vest
Size: 12, Color: Black
Great vest. I love the slim fit. It looks very nice on my son, not baggy or boxy looking like some vest. My son has used it for several occasions including a wake, a Beta Club induction, awards day, and soon his graduation celebration at church. The quality and material are good. Definitely worth what I paid.
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Reviewed in the United States on May 29, 2026
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Katy
Dallas, US
★★★★★ 5
Elegant Color and Very Well Made Vest
Size: 14, Color: Light Grey, Size: 14, Color: Light Grey
The vest is really nice and great quality, but it does run a little smaller than expected. I would suggest sizing up if you want a more comfortable fit. Other than that, it looks very sharp and well made.
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Reviewed in the United States on April 24, 2026

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