Tsushima is a complete standalone game. It employs the Battleship Captain game system of swift naval combat, and the rules and components of the two designs are fully compatible. If you own Battleship Captain, you already have all the components contained in Tsushima. Scenarios include: Tsushima Tsushima (variant) Britain vs. Germany or France (hypothetical) Rule Britannia (hypothetical) Pacific Supremacy (hypothetical) Design your own Contents: Rules booklet 2 sheets of ship counters one sheet of game markers Reference Card scenarios Included in: Battleship Captain Followed by: Grand Fleet: Tactical Naval Combat in the Dreadnought Era, 1906-1919 Battlewagons: Tactical Naval Combat in the World War II Era, 1920-1945 Includes a complimentary copy of Salvo!