Here is the full list of all 49 Ace Combat 6: Fires of Liberation achievements worth 1,000 gamerscore.
100 Siege Battle matches won.
50 Siege Battle matches won.
100 Team Battle matches won.
100 Battle Royale matches won.
30 Siege Battle matches won.
50 Battle Royale matches won.
30 Battle Royale matches won.
10 Battle Royale matches won.
10 Siege Battle matches won.
50 Team Battle matches won.
30 Team Battle matches won.
200 total other player aircraft shot down online.
All hidden contents unlocked.
All medals attained.
10 Team Battle matches won.
Special colors for all aircraft available for purchase.
Complete Estovakian assault record attained.
Complete Emmerian assault record attained.
10 Named Aircraft destroyed.
100 total other player aircraft shot down online.
All operations cleared.
50 total other player aircraft shot down online.
Original aircraft available for purchase.
All aircraft available for purchase.
10 total frontline landings complete.
Stage 1 of CO-OP Battle cleared.
Stage 2 of CO-OP Battle cleared.
50 enemies destroyed using ground force allied support.
The Chandelier destroyed, and the war brought to a close.
Campaign Mode cleared.
Capital successfully defended from enemy cruise missile attack.
1000 total enemies destroyed.
Capital recaptured and liberated.
Enemy Strigon squadron leader Ilya Pasternak defeated.
Weapons of mass destruction destroyed in transport.
Moloch Desert invasion successful, however…
Ragno Fortress captured.
Heavy command cruiser Aigaion destroyed.
Cavallia Air Force Base captured, and Aigaion attack point established.
50 enemies destroyed using airborne allied support.
Allied forces rescued amidst Aigaion attack.
10 operations complete.
Rescue of allied ground forces in Silvat successful.
Allied ground forces Anea mainland landing successful .
Bartolomeo Fortress destroyed, and Khesed Island recaptured.
100 enemies destroyed while receiving electronic support.
Victory at Sipli Field attained.
Aerial bombardment of Vitoze successfully prevented.
Retreat from the fallen capital Gracemeria successful.