Tutorial is an option appearing in Ace Combat 04: Shattered Skies, Ace Combat 5: The Unsung War, Ace Combat X2: Joint Assault and Ace Combat 6: Fires of Liberation (although ACX2's is part of the campaign) . As the name states, this option allows the player to grasp the basics of gameplay, teaching them how to perform several maneuvers, both offensive and defensive. It also teaches the player the basics of using missiles and unguided bombs.