XXI: The Naval Wonder Weapon 1943-1945

XXI, a solitaire game set in 1943 that challenges the player (acting as both Speer and Dönitz) to organize and complete construction of a fleet (or at least “enough”) of the new German Type XXI submarine. However this new sub is far larger, more complex and more expensive, and requires much more manpower and scarce resources than previous submarines. Just a few of these new Type XXIs will do nothing.…