"Operation Jupiter: Churchill s Plan to Invade Norway, 1942" (OJ) is an intermediate complexity, two-player wargame simulating the possible events that could have unfolded during the first 30 days of this planned but never run World War II campaign. The British prime minister had intended it as a strategic alternative for Operation Torch. A complete game takes from two to three hours to complete. Each hex on the map equals 10 miles (16.2 km) from side to opposite side. Each full turn represents three days. Every ground unit represents a regiment, brigade or division (or ad hoc equivalents) of about 2,500 to 12,000 men and/or 50 to 350 armored fighting vehicles. —description from the publisher

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