The age of war is one where two opposing factions go head to head, even as the ages pass by the two factions keep battling forever until one is declare the victor. Control your units, and send them off against the enemy base. Build up your defenses in order to fight back against the enemy units. When you gain enough experiences you can evolve to the next age with improved units and weapons. Defeat the enemy to gain gold and use that gold to by improvements for your units. Do not stop until your rival is dead and you are left victorious.