WWZed USA in the updated Vassal Module.

About World War Zed: USA, from BoardGameGeek:

This solitaire game pits you as the leader of the United States against an outbreak of Zombies or similar – called “Zeds” in the game. You must manage population centers, farmlands, refugees and the scientific and military response to the outbreak. There are counters for Zeds, Riots, Refugees, Survivalists, the US Army, the US Marines, and the US National Guard. There are markers for Farms, Cities, Forts, and Nuclear Detonations. The game map depicts the continental USA divided into 20 Regions from New York to Kansas to California. Game tracks on the map monitor food supplies, your remaining Production Points, and the DEFCON level among others. The game consists of the following components: 8-Page Rulebook Random Region and Events Sheet 20” x 17” Game Map 70 5-8 Inch Counters 38 3-4 Inch Counters One Quickplay Sheet A Scenario Book which includes Designer Notes Besides the Basic Game, there are 15 special Zeds characteristics (Fast, Evolving, Aquatic, Flight, and More), 11 exciting scenarios, and 8 additional setups (including historical periods) for hours of thrilling fun as you command USA resources in the struggle against Zeds. -description from the publisher