psp-Ace Combat X: Skies Of Deception

SP Stage: Operation X
Successfully complete all missions and mission branches to unlock SP Stage: Operation X.

Stage 03B: Captive City
Successfully complete Stage 05 or 06 before Stage 04 to unlock Stage 03B: Captive City.

Stage 07C: Time Limit
Successfully complete Stages 07, 09, 11, and 07C in that order to unlock Stage 07C: Time Limit.

Stage 12C: Wild Card
Successfully complete Stages 07, 08, 10, 09, and 12C in that order to unlock Stage 12C: Wild Card.

ADF-01 Falken
Successfully complete SP Stage: Operation X to unlock the ADF-01 Falken.

Fenrir
Successfully complete Campaign mode on the Ace difficulty setting to unlock the Fenrir.

XFA-27
Successfully complete Mission 03B to unlock the XFA-27.

Ace mode
Successfully complete Campaign mode on the Hard difficulty setting to unlock the Ace difficulty setting.

Medals
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