Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A True Maverick	Shoot down 500 enemy aircraft in survival mode.
Action Jackson	Complete the story playing as Jackson.
Both Sides of The Story	Get both game endings.
Cooperation Makes It Happen	Complete the story in co-op mode.
Harder Than A Coffin Nail	Complete the story in hard mode.
I'm a Survivor	Beat 100 enemies in survival mode.
Indestructible	Don't lose a life in a single play through.
Not Afraid of Freya	Beat the final boss without getting hit.
Relay Rage	Complete the story in relay mode.
Steel Haven Hero	Complete the story.