Greenleague is the environmental education games app created by CONOU, the National Consortium for the Management, Collection and Treatment of Used Mineral Oils, with the scientific advice of Legambiente. Inspired by the most popular and used apps and social games, the games offer Green Tips, information pills, questions and curiosities on topics such as energy saving, recycling, circular economy, testing the preparation of the players with quizzes that will earn points and climb the leaderboards and challenge your friends.