Elder Sign is a cooperative card and dice game, based on the Cthulhu Mythos of horror writer H.P.

Omens also adds new investigators and item cards to aid players in this multi-staged Alaskan adventure.

This modular expansion features three new decks which increase narrative elements of the gameplay while adding difficulty.

This expansion brings the action to the Pacific aboard The Ultima Thule and introduces a new two-stage R’lyeh Rising mode of gameplay where players must first navigate the Dark Waters track and then assemble the Amulet of R’lyeh to win the game.

It also introduces two new kinds of monster tokens called Deep One Legion and Missions that have their own special rules and rewards.