Gustav Line is a module and requires the base game, Combat Mission Fortress Italy, in order to play
Battlefront.com today revealed that those who will pre-order Gustav Line, the first module the the Combat Mission Fortress Italy family of WW2 tactical ground combat simulations, will save $10 in the process on the download&mail delivery. Fortress Italy: Gustav Line depicts the desperate battle for the Italian mainland, revolving around Salerno, Anzio, and Monte Cassino, and culminating in the capture of Rome on June 4, 1944. The Commonwealth side of Operation Husky in Sicily is also depicted.
Combat Mission: Fortress Italy - Gustav Line will be available within 4-6 weeks.