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Vassal

Vassal is a game engine for building and playing online adaptations of board games and card games. You can use Vassal to play in real time over the Internet or by email. Vassal runs on all platforms and is free, open-source software. In downloading a Vassal module, you are acknowledging you own a physical copy of the game and are agreeing not to distribute the Vassal module other than to a singular opponent.

Decision Games is offering Vassal game modules for some of its monster-sized games as well as smaller games. The modules include a digital version of the map and counters.

To order, place the item in your cart (be sure you have an account set up first) and checkout*. After checkout you will need to immediately click the download link on the "thank you" page. If you forget to download or miss the link please check your spam folder for the receipt that includes the link OR place the order again and watch for the receipt.

*There is no charge for Vassal modules and we ask that you do not combine an order for Vassal modules with any other purchase to insure proper and timely processing. To remain on our mailing list for future notices we need a complete and accurate account set-up.


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*NOTE: Rules are unavailable until after publication
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D-Day Quad (Vassal)
D-Day Quad (Vassal)

D-Day Quad
The Allied invasion of Normandy was a watershed moment in the war. Months of careful planning proceeded while the entire uncommitted strength of the American, British, Canadians, and other Allied armies massed in England. Across the Channel the Germans strove mightily to create hardened defenses on the beach and back them with a slew of new and veteran divisions. The clash came in the early hours of 6 June 1944: D-Day. If the Allies failed to grab a large enough beachhead the invasion would be contained and eventually crushed. If the German lines broke, the full weight of Allied power would be loosed to drive deep into France.
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Corrupt Bargain (VASSAL)
Corrupt Bargain (VASSAL)

Corrupt Bargain: The 1824 Presidential Election. A 2-4 player game about the 1824 election (John Quincy Adams vs. Andrew Jackson vs. Crawford vs. Henry Clay) that was the first election in which no candidate achieved a majority in the Electoral College. In part because the constitution allowed for only the top three candidates to be considered by the House of Representatives, Clay (the fourth place candidate who was also Speaker of the House) threw his support to Adams (the second place candidate) and Adams was able to secure a victory with a majority of the vote by states. Players must decide with every play whether to focus on campaigning for the popular vote, the state vote, or gaining advantages. Games can generally be played in 60-90 minutes. Like Bleeding Kansas, the game mechanics are simple but tactical card play and strategic plans are plentiful. The game can also be played as a 2 or 3-player game, each with different strategies and potential paths to victory. more info
Midway Solitaire (VASSAL)
Midway Solitaire (VASSAL)

Midway Solitaire follows the campaign in the Pacific Theater of Operations from April to June 1942. This period saw the Japanese take the offensive in two major campaigns including the battles of the Coral Sea and Midway—both decided by aircraft carrier actions. You command the United States Navy and Allied forces while the game system controls the Imperial Japanese Navy. You take on the role of Adm. Nimitz in terms of the options available and decisions you can make to repel the Japanese Navy’s drive across the Pacific. You must defeat multiple naval offensives, each possessing superior numbers. The key to winning is to balance your limited assets to meet the threats presenting themselves over the course of the game. The course of the war in the Pacific is at stake. more info
Netherlands East Indies - World at War #87 (VASSAL)
Netherlands East Indies - World at War #87 (VASSAL)

Netherlands East Indies: 1941 to 1942 is an operational wargame of the campaign in 1941-42 in which the Japanese seized control of the Dutch colonial empire in the South Pacific. NEI is a combined naval-air-land campaign, in which operational capabilities can be decisive. The game system shows the effects of various operations over the course of a scenario. Players conduct Actions which encompass discrete combat, logistical, intelligence and other operations. A player can conduct one or more Actions per turn. All units in the game use a similar combat system. The system shows the interaction of naval, air and land forces. At stake: the resources of the South Seas and the gateways to the Indian Ocean and Australia.

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The Chaco War, 1932-1935 - World at War #86 (VASSAL)
The Chaco War, 1932-1935 - World at War #86 (VASSAL)

The Chaco War, 1932-1935. The Chaco War was fought out by two landlocked countries, Bolivia and Paraguay in South America. On paper, the Bolivians should win handily: they enjoyed a three to one superiority in manpower against the Paraguayans. However, to reach the front the Bolivians had to overcome long lines of communication, impossible terrain and low morale. The Paraguayans, on the other hand, saw the war as a life-or-death struggle. Thanks to their superior morale and leadership, the Paraguayans inflicted a series of defeats to the Bolivians and won most of the Chaco in the post-war peace settlement.

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Budapest Campaign - World at War #85 (VASSAL)
Budapest Campaign - World at War #85 (VASSAL)

Budapest Campaign: October 1944 to February 1945 is a wargame of the Soviet offensive in Hungary in late 1944 and early 1945 which culminated in the conquest of the city of Budapest. Throughout this campaign the Axis launched successive counterattacks which regained ground but, in the end, failed to stem the Soviet tide.

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Manstein's War - World at War #84 (VASSAL)
Manstein's War - World at War #84 (VASSAL)

Manstein's War: Decision in the West 1940 is a two-player wargame of the German offensive in Western Europe in May-June 1940 in which the Wehrmacht seized a stunning victory over Allied forces in the Low Countries and France. The game uses a variant of the Boots system to model command, control, and logistics on an operational scale. Both players can fight a campaign of mobility and decisive battles.

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Operation Causeway: Formosa 1944 - World at War #83 (VASSAL)
Operation Causeway: Formosa 1944 - World at War #83 (VASSAL)

Operation Causeway: Formosa 1944 is an operational-level two player wargame covering the planned but never executed Allied invasion of the Allied island of Formosa in World War II. Had the operation been executed, it would have been the largest amphibious invasion of the Pacific Theater of Operations. The Allied objective is to gain control of Formosa with a minimal number of losses. The Japanese objective is to inflict sufficient cost in terms of manpower and delay to make the invasion counterproductive for the Allies.

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Watch on the Oder - World at War #82 (VASSAL)
Watch on the Oder - World at War #82 (VASSAL)

Watch on the Oder: January 1945 is a hypothetical two-player game allowing the players to examine the strategic possibilities inherent in the campaign that may have taken place had Hitler decided to send the forces he used historically in the Ardennes to the eastern front. Both sides’ orders of battle are entirely historic within that context. Each of the eight game turns represents four days, and each large hex on the map equals 20 miles.

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Balkans 1944 - World at War #81 (VASSAL)
Balkans 1944 - World at War #81 (VASSAL)

Balkans 1944. In late Summer 1944, the Soviets were poised to invade the Balkans after having inflicted a crushing blow to the Wehrmacht at Belarus. On 20 August, after a period of relative calm on the front, the Soviets opened up their offensive between the Black Sea and the Carpathians. Despite the German counterattacks and setbacks such as Debrecen, by Christmas Eve the Red Army was besieging Budapest, joined by the Yugoslav Partisans, and occupied Bulgaria and Romania.

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To order, place the item in your cart (be sure you have an account set up first) and checkout. After checkout you will need immediately click the download link on the "thank you" page. If you forget to download or miss the link please contact our
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