Here is the full list of all 49 Ace Combat 6: Fires of Liberation achievements worth 1,000 gamerscore.
All medals attained.
Attain purchasing ability for all aircraft.
Clear Campaign Mode.
Complete 10 operations.
Clear all operations.
Enemy Strigon squadron leader Ilya Pasternak defeated.
Complete 10 total frontline landings.
Destroy 50 enemies using airborne allied support.
Destroy 50 enemies using ground force allied support.
Destroy 100 enemies while receiving electronic support.
Destroy 10 Named Aircraft.
Destroy a total of 1000 enemies.
Attain purchasing ability for all aircraft special colors.
Attain purchasing ability for original aircraft.
Attain complete Emmerian assault record.
Attain complete Estovakian assault record.
Successfully retreat from the fallen capital Gracemeria.
Prevent the aerial bombardment of Vitoze.
Attain victory at Sipli Field.
Destroy Bartolomeo Fortress, and recapture Khesed Island.
Ensure the success of allied ground forces Anea mainland landing.
Rescue allied ground forces cornered in Silvat.
Rescue allied forces amidst Aigaion attack.
Capture the Cavallia Air Force Base, and establish an Aigaion attack point.
Destroy the heavy command cruiser Aigaion.
Capture the Ragno Fortress.
Attain victory in the Moloch Desert invasion.
Weapons of mass destruction destroyed in transport.
Capital recaptured and liberated.
Unlock all hidden contents.
Win 10 Battle Royale matches.
Win 30 Battle Royale matches.
Win 50 Battle Royale matches.
Win 100 Battle Royale matches.
Win 10 Team Battle matches.
Win 30 Team Battle matches.
Win 50 Team Battle matches.
Win 100 Team Battle matches.
Clear Stage 1 of CO-OP Battle.
Clear Stage 2 of CO-OP Battle.
Win 10 Siege Battle matches.
Win 30 Siege Battle matches.
Win 50 Siege Battle matches.
Win 100 Siege Battle matches.
Shoot down 50 total other player aircraft online.
Shoot down 100 total other player aircraft online.
Shoot down 200 total other player aircraft online.