Talk:Ace of Aces (mission)/@comment-35594414-20180524103719/@comment-1824272-20180524203418

According to the Ace Combat X2: Joint Assault Perfect Guidebook, you need to do the following to unlock Ace of Aces:


 * Complete the main campaign at least twice.
 * Complete every campaign mission on Ace difficulty. This doesn't include the multiplayer-only missions, and this doesn't include Operation X or Ace of Aces.