Kingdom Under Fire Ships September 20thMicrosoft Game Studios will ship the Xbox action-strategy game, Kingdom Under Fire: Heroes on September 20, the company said Monday. The new sequel includes seven new heroes and 50 medieval battlefields in the single-player campaign mode. Heroes will add a larger arsenal of power moves, new units, and environments. The game will feature Random Missions and Custom Missions to play after completing the campaign. Heroes will feature multiplayer support for up to six players on Xbox Live. Modes include Troop Battle Mode and the co-op Invasion Mode.