Xeko Mission: Costa Rica - The Eco-Adventure Game New Version - Xeko Mission: Costa Rica Exploration and Conservation Game and Collector Cards This starter set includes 48 Xeko Mission: Costa Rica cards, a Game Mat with map of Costa Rica on th All Xeko collections are playable with one another, and players mix and match to build custom decks. Printed on recycled materials using soy-based inks - 4% of net game sales are donated to Conservatio Globetrotting adventure, eye-popping illustrations, and challenging strategy make Xeko a favorite wi