In the time of Joan of Arc and Edward the Black Prince, Bladestorm: Hundred Years War re-creates a medieval Europe where players must lead their band of mercenaries against English and French troops. To be successful in the game, players must complete each mission with the help of units including cavalry, archers, pike men, and infantry. Gamers must evolve their strategy as they play and become a trusted and dependable leader in order to unlock More difficult missions and better troops. Members of a player's army gain experience as they survive each battle, and gamers can use the point system to adjust a unit's capabilities. Players must battle through a variety of environments while defending such strongholds as castles, forts, ruins, towns, and churches.