The Expansion to Railways of the World: The Card Game creates new mechanics and additional bonus scoring options for the base game by adding:
- Tunnels to connect existing cities giving access to cubes and impacting city control.
- Switchers to allow track color to change during building, thus allowing connection to a new color city.
- Grey Cities to provide additional goods for deliveries.
- Barons to provide additional bonus scoring options.
*NOTE* This is not a complete game, Railways of the World: The Card Game is required for play.