Ludovox http://ludovox.fr/jeu-de-societe/munchkin-cthulhu-4-oh-my-grottes-6762/
Français - Un jeu de Steve Jackson.
Boardgamegeek https://boardgamegeek.com/boardgameexpansion/71865/munchkin-cthulhu-4-crazed-caverns
Anglais - The hunt for forbidden knowledge goes underground! Explore the Midden of the Mi-Go! Dig yourself out of the Dunwich Ditch! Brave the blue light of K'n-Yan! Maybe all at once . . .