Alternate universe: it is in the year of our lord February 1836. Due to overwhelming world peace, technology has been slowed precipitously. The discovery of gunpowder has been delayed. You find yourself fighting for the newly formed Monarchy of Texas in an old, crumbling adobe mission against the chivalrous, though tyrannical, Mexican army. You are Lord William B. Travis, commander of the Alamo fort of San Antonio de Bexar.
The newly established ruler of Mexico, King Antonio Lopez de Santa Anna, has sent forces to destroy you and your threatening rebel rousers. You and your men number only about 200 against a battle-harden troop of over 4,000 men. Your first objective is to call upon as many Texican volunteers you can to repel the invading force. The odds are completely against you. You know no aid is forthcoming, and you have no hope in withstanding the onslaught, but it is your God given duty to take as many of the enemy with you for your King, Samuel Houston, who is gathering forces further to the northeast.