User blog comment:Tabby the Hedgehog/A question.../@comment-5274088-20121005221653/@comment-2169631-20121006085931

Play in this order:

Air Combat/Ace Combat

AC0:The Belkan War

AC2/AC3D:Legacy

AC4: Distant Thunder/Shattered Skies

AC5: The Unsung War/Squadron Leader

AC6: Fires of Liberation

ACXi: Skies of Inception

ACX: Skies of Deception

AC: Advance

AC3:Electrosphere (JP)