Survive a level without losing any wingman
Discover and collect a hidden ugrade coin
Lose all of your player lives!
Finish level 1-4 of the Allied campaign without receiving any damage
Destroy 50 ground units
Accomplish 20 Extra Missions
Shoot down 700 aircraft with an active ability
Collect fears while Siegfried is hallucinating!
Defeat as many Crow soldiers as possible!
Reach Squadron Level 30
Defeat as many enemies as possible with Dark Holes!
Finish all levels of the Axis campaign!
Defeat a Crow Commander without allowing him to heal!
Defeat all boss enemies on extreme difficulty!
Finish level 3-1 of the Allied campaign without causing any alert
Defeat 20 different enemy aircraft types
Finish level 5-4 of the Allied campaign without any enemy surviving
Upgrade all abilities of the Allied squadron
Accomplish all extra missions of the Allied campaign at least once
Finish all levels of the Allied campaign on hard difficulty
Shoot down 10000 aircraft.
Repair 30000 hitpoints of your wingman aircraft
Destroy 125 aircraft by crashing into them
Destroy 35 enemies within 1 second
Destroy 200 aircraft with any laser power up
Burn down 1500 aircraft with the flamethrower power up
Unlock 5 new aircraft models for your pool
Finish the Allied Campaign
Finish Chapter 4 of the Allied Campaign
Defeat 5 different Aces of the Luftwaffe
