"Card game. Deck of 90 cards. Simulation of U-boat attacks vs allied shipping during WWII. One player is the wolf pack, the other is the allied convoy." The custom deck includes six types of cards: Target, Detection, Attack, Evasion, Water, and Discard. The Wolf Pack player wins if six Transports are destroyed. The Convoy player wins if four U-Boats are destroyed. The game is available to download and was also published in Strategist #337 (April 2000).