Ace Difficulty is a hidden difficulty mode. In Ace, health regeneration is removed, and enemies are stronger. To unlock, complete campaign mode in Elite Difficulty.
| Achievement | How to unlock
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| - Obtain an A rank for every mission (free mission).
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| - Use DFM to destroy 10 airborne enemies in competitive online.
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| - Escape from a dangerous situation.
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| - Eliminate your enemies to open a path for your allies.
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| - Fly a bomber and eliminate a large number of hostiles.
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| - Used Trinity to wipe out the enemy (free mission).
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| - Chase the enemy through a hurricane.
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| - Master the assault chain and take down hostiles one by one.
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| - Fly through the hotel gates.
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| - Take down a hostile fighter with a charged homing missile.
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- Defender of World Heritage (20)
| - Provide close-range aerial support to wipe out hostile ground forces.
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| - Defeat hostiles with all 3 of the gunship's weapons.
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| - Successfully focus on 3 targets.
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| - Deal with an emergency situation.
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| - Protect allied ground forces with the gunship's firepower.
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| - Pass through an explosion and destroy the enemy.
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| - Join the same DFM with two others and shoot down a hostile (mission co-op).
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| - Perform a risky move to save your friend.
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| - Use ASM to destroy 30 ground enemies in competitive online.
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| - Thwart your enemy's plans and return alive.
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| - Massacre hostiles as the door gunner.
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| - Destroy 5 hostile vehicles with helicopter gunfire.
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| - Wipe out hostile ground forces with ASM.
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| - Use an attack helicopter and destroy 10 missiles or bombs in competitive online.
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| - Use an attack helicopter to rescue the captured pilot.
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| - Fly beneath a falling chimney.
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- Machine Gun Faithful (10)
| - Use the standard machine gun to defeat an enemy.
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| - Use DFM support or ASM support to join a flight member.
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| - Shoot down many hostile players in competitive online.
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| - Save an ally being targeted by hostile players in competitive online.
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| - Prevent the launch of ICBMs by infiltrating the enemy base in a stealth bomber.
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- One Million Tons of Scrap Metal (20)
| - Weave through a hostile fleet's defense and rescue the hostage.
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| - Successfully pursue 3 enemies with counter maneuvers.
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| - Take down 5 hostiles with a direct shot.
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| - Protect allied transports from being shot down during landing.
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| - Eliminate the enemy threat to fighters as quickly as possible.
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| - In a helicopter, obtain (zoom in) and destroy 10 enemies.
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| - From a helicopter, support the special forces while they suppress hostile vessels.
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| - Take down 3 hostiles in a row with an assault chain.
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| - Successfully switch from defense to offense 10 times with counter maneuvers.
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| - Pilot all of the aircraft in the game.
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| - Eliminate all bombers and prevent the use of a weapon of mass destruction.
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| - Play for an extensive amount of time in competitive online or mission co-op.
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| - Clear all levels in mission co-op.
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- Welcome to Mission Co-Op (20)
| - Clear 1 level in mission co-op.
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| - Play on all maps in competitive online.
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