When you complete the game on hard difficulty and start again, there will be a new diffcultly called Ace.
Unlockable: SP Stage Operation X
Finish all of the missions and mission branches.
Unlockable: ADF-01 FALKEN
You must finish SP stage.
Unlockable: Medals And Awards
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 1000 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
Apalis: Earth Shaker / Cockpit / $34200 .... S-rank mission 03A with Apalis
Cariburn: Sylph Wing / Wing / $55600 .... S-rank mission 01 with Cariburn
Falken: Laser Extender / Weapon / $69800 .... S-rank mission 10A with Falken
Forneus: Diffusion Coat / Armor /$49600 .... S-rank mission 09A with Forneus
Fregata: Hudra Engine / Engine/ $51600 .... S-rank mission 02 with Fregata
X-02: Long Range MSSL / Weapon / $45100 .... S-rank mission 13A with X-02
XFA-27: Scarface MBS / Weapon / $76500 .... S-rank mission 04B with XFA-27
ADF-01 FALKEN .... Complete SP stage
SP Stage "Operation X" .... Complete all missions and mission branches
Stage 03B "Captive City" .... Complete 05 or 06 before going to 04
Stage 07C "Time Limit" .... 07->09->11->07C
Stage 12C "Wild Card" .... 07->08->10->09->12C
Swift Hunter .... Finish campaign with the fewest missions(10)
XFA-24A Apalis special color1 .... beat hard difficulty
XFA-27 special color1 .... beat hard difficulty
XR-45 Cariburn special color1 .... beat hard difficulty
YR-302 special color1 .... beat hard difficulty
YR-99 Forneus special color1 .... beat hard difficulty
Medals And Awards
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 1000 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
Apalis: Earth Shaker / Cockpit / $34200 .... S-rank mission 03A with Apalis
Cariburn: Sylph Wing / Wing / $55600 .... S-rank mission 01 with Cariburn
Falken: Laser Extender / Weapon / $69800 .... S-rank mission 10A with Falken
Forneus: Diffusion Coat / Armor /$49600 .... S-rank mission 09A with Forneus
Fregata: Hudra Engine / Engine/ $51600 .... S-rank mission 02 with Fregata
X-02: Long Range MSSL / Weapon / $45100 .... S-rank mission 13A with X-02
XFA-27: Scarface MBS / Weapon / $76500 .... S-rank mission 04B with XFA-27
ADF-01 FALKEN .... Complete SP stage
SP Stage "Operation X" .... Complete all missions and mission branches
Stage 03B "Captive City" .... Complete 05 or 06 before going to 04
Stage 07C "Time Limit" .... 07->09->11->07C
Stage 12C "Wild Card" .... 07->08->10->09->12C
Swift Hunter .... Finish campaign with the fewest missions(10)
XFA-24A Apalis special color1 .... beat hard difficulty
XFA-27 special color1 .... beat hard difficulty
XR-45 Cariburn special color1 .... beat hard difficulty
YR-302 special color1 .... beat hard difficulty
YR-99 Forneus special color1 .... beat hard difficulty
Hint: Increase Missile Hit Rate
To increase the chances of missiles hitting their intended target, try firing rounds off with your machinegun. This causes the AI to slow trying to avoid all of those bullets, making them more susceptible to missile hits!
Unlockable: Expert Marksman
Kill 50 Aircraft with Guns.
Unlockable: Wings
Bronze Wing - Finish all missions and mission branches with an S rank on Normal difficulty.
Silver Wing - Finish all missions and mission branches with an S rank on Hard difficulty.
Gold Wing - Finish all missions and mission branches with an S rank on Ace difficulty.
Top Cheat Sites for Ace Combat X: Skies of Deception