Senet is most likely the oldest known board game in the world. It was played in Ancient Egypt and game boards have been found in Predynastic and First Dynasty burials dating as far back as 3500 BCE. Senet boards were rectangular slabs made of wood, limestone, or faience (ceramic earthenware made from ground quartz and coated with a brightly colored glaze and featured carved squares and symbols.

Source: Oldest.org