SP Stage: Operation X
Successfully complete all missions and mission branches to unlock Stage: Operation X.
Stage 03B: Captive City
Successfully complete Stage 05 or 06 before 04 to unlock Stage 03B: Captive City.
Stage 07C: Time Limitt
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