d, 1204 allows students to understand and experience one of the greatest medieval atrocities, the sack of the Constantinople by a crusader army, and the subsequent reshaping of the Byzantine Empire. The game includes debates on issues such as "just war" and the nature of crusading, feudalism, trade rights, and the relationship between secular and religious authority. It likewise explores the theological issues at the heart of the East-West Schism and the development of constitutional states in the era of Magna Carta. The game also includes a model siege and sack of Constantinople where individual students' actions shape the fate of the crusade for everyone.