From the Minden Games website: WW1 tactical, solitaire (with 2-player option), 24 page rules, two warship counter sheets (56 color warship counters, 1/6000 scale, from Britain and Germany), 130 color game counters, 12 scenarios, Reference Card. Recreate actual and hypothetical WW1 naval battles between individual British and German warships. Watch for additional GWS! modules covering other nationalities!