Ace Combat X: Skies Of Deception
Successfully complete all missions and mission branches to unlock SP Stage: Operation X.
Successfully complete Stage 05 or 06 before Stage 04 to unlock Stage 03B: Captive City.
Successfully complete Stages 07, 09, 11, and 07C in that order to unlock Stage 07C: Time Limit.
Successfully complete Stages 07, 08, 10, 09, and 12C in that order to unlock Stage 12C: Wild Card.
Successfully complete SP Stage: Operation X to unlock the ADF-01 Falken.
Successfully complete Campaign mode on the Ace difficulty setting to unlock the Fenrir.
Successfully complete Mission 03B to unlock the XFA-27.
Successfully complete Campaign mode on the Hard difficulty setting to unlock the Ace difficulty setting.
Successfully complete the indicated task to be awarded the corresponding medal:
- Bronze Ace: Destroy 200 enemies
- Expert Marksman: Destroy 50 aircraft with guns
- Eye of the Storm: Defeat the Gleipnir
- Freedom Tower: Liberate Griswall
- Gold Ace: Destroy 1,000 enemies
- Land Guardian: Keep allied casualties at Stand Canyon to a minimum
- Mark of the Vioarr: Defeat the Fefnir
- Marksman: Destroy 5 aircraft with guns
- Sea Guardian: Keep damage to the allied fleet at Terminus Island to a minimum
- Sharpshooter: Destroy 15 aircraft with guns
- Silver Ace: Destroy 500 enemies
- Expert Marksman: Destroy 50 aircraft with guns