"You and the other players are cultists attempting to summon Cthulhu and bring about the end of the world. YOu must successfully perform 50 arcane rituals, but be careful: misspeak the the strange incantations and you will suffer Cthulu's wrath!" This is a push your luck game of dice rolling to complete rituals. Completed rituals within a run score you points, provided that you don't accumulate three 1's causing you to go insane and score nothing for the run. You'll need paper and pencil to keep track of the score. -description from the book, Random Fun Generator