Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Armored Core	Beat normal mode without taking a single point of damage.
Daemon IN Machina	Beat the game in hard mode.
Prepare for Mechfall	Finish the tutorial mission.
Teenager with attitude	Beat hard mode in under 220 seconds.
Triton Defense Force	Beat the game in normal mode.
What asteroids?	Beat normal mode in under 100 seconds.