Hop aboard and skyrocket your Railroad Ink adventure with the Railroad Ink: Sky Expansion Pack, brought to you by the brilliant minds of Hjalmar Hach and Lorenzo Silva, featuring the whimsical art of Marta Tranquilli. This expansion introduces two thrilling expansions: Weather and Airline, enhancing your strategic gameplay. Manage meteorological phenomena with the Weather Expansion, controlling clouds, rain, and snow to prevent weather fronts from colliding and score bonus points. Alternatively, extend your network into the skies with the Airline Expansion, building airports and creating air routes to connect exits and score for the longest airway. Each expansion spans 7 rounds, offering new challenges and strategic depth to your Railroad Ink or Railroad Ink Challenge games. Note: A core game is required to play this expansion.