Destroy 500 aerial opponents on any difficulty
Finish the second stage on any difficulty
Shoot down a Falchion destroyer on any difficulty
Destroy a Heralder carrier on any difficulty
Defeat the game on SOLDIER difficulty or higher
Defeat the game on VETERAN difficulty or higher
Defeat the game on HARDCORE difficulty
???
Finish the fourth stage on any difficulty
Destroy 200 Draelus ground structures on any difficulty
Destroy the Searer on Tolak on any difficulty
Unlock the final ship on any difficulty
Finish the sixth stage on any difficulty
Defeat the game on RECRUIT difficulty or higher
