There are also 5 other secret achievements in addition to the following:

10 Frontline Landings - 10 points - Complete 10 total frontline landings.
10 Named Aircraft - 30 points - Destroy 10 Named Aircraft.
10 Operations - 10 points - Complete 10 operations.
1000 Enemies - 30 points - Destroy a total of 1000 enemies.
Aerial Defense - 10 points - Destroy 50 enemies using airborne allied support.
All Aircraft - 30 points - Attain purchasing ability for all aircraft.
All Colors - 10 points - Attain purchasing ability for all aircraft special colors.
All Medals - 50 points - All medals attained.
All Operations - 30 points - Clear all operations.
All Secrets - 30 points - Unlock all hidden contents.
Allied Assault Record - 20 points - Attain complete Emmerian assault record.
Battle Royale - 10) - 10 points - Win 10 Battle Royale matches.
Battle Royale - 100) - 40 points - Win 100 Battle Royale matches.
Battle Royale - 30) - 20 points - Win 30 Battle Royale matches.
Battle Royale - 50) - 30 points - Win 50 Battle Royale matches.
Clear Campaign - 20 points - Clear Campaign Mode.
CO-OP Stage 1 - 25 points - Clear Stage 1 of CO-OP Battle.
CO-OP Stage 2 - 35 points - Clear Stage 2 of CO-OP Battle.
Electronic Support System - 10 points - Destroy 100 enemies while receiving electronic support.
Enemy Assault Record - 20 points - Attain complete Estovakian assault record.
Ground Defense - 10 points - Destroy 50 enemies using ground force allied support.
Mission 1 - 10 points - Successfully retreat from the fallen capital Gracemeria.
Mission 10 - 10 points - Capture the Ragno Fortress.
Mission 11 - 10 points - Attain victory in the Moloch Desert invasion.
Mission 2 - 10 points - Prevent the aerial bombardment of Vitoze.
Mission 3 - 10 points - Attain victory at Sipli Field.
Mission 4 - 10 points - Destroy Bartolomeo Fortress, and recapture Khesed Island.
Mission 5 - 20 points - Ensure the success of allied ground forces Anea mainland landing.
Mission 6 - 10 points - Rescue allied ground forces cornered in Silvat.
Mission 7 - 10 points - Rescue allied forces amidst Aigaion attack.
Mission 8 - 10 points - Capture the Cavallia Air Force Base, and establish an Aigaion attack point.
Mission 9 - 20 points - Destroy the heavy command cruiser Aigaion.
Online Kills (100) - 30 points - Shoot down 100 total other player aircraft online.
Online Kills (200) - 50 points - Shoot down 200 total other player aircraft online.
Online Kills (50) - 20 points - Shoot down 50 total other player aircraft online.
Original Aircraft (10 points - Attain purchasing ability for original aircraft.
Siege Battle (10) - 10 points - Win 10 Siege Battle matches.
Siege Battle (100) - 40 points - Win 100 Siege Battle matches.
Siege Battle (30) - 20 points - Win 30 Siege Battle matches.
Siege Battle (50) - 30 points - Win 50 Siege Battle matches.
Team Battle (10) - 10 points - Win 10 Team Battle matches.
Team Battle (100) - 40 points - Win 100 Team Battle matches.
Team Battle (30) - 20 points - Win 30 Team Battle matches.
Team Battle (50) - 30 points - Win 50 Team Battle matches.