Time Taken: One round or longer. Specializations: Knowledge of a particular alien species — Wookiees, Gamorreans, Ewoks, Sullustans. Alien Cultures involves knowledge of any species outside of the character's. For human characters, it covers all non-humans; for Wookiees, the skill covers all non-Wookiees. Alien Cultures represents knowledge of customs, societies, physical appearance, attitudes, philosophy, history, art, politics, special abilities, and other areas of reasonable knowledge. Note: Alien Cultures determines what possible languages a character can learn.