60 riddles

How Many Ostraka Are There? The Ainigmata Ostraka were a set of 60 riddles in various places across Greece, and five in each of Aletheia’s simulations. What do Ainigmata Ostraka do? Ainigmata Ostraka are a type of collectible in Assassin’s Creed Odyssey, and are very similar in practice to the Papyrus Puzzles from Assassin’s Creed