Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A History Revealed	Unlock all back issues.
Accessory Master	Collect all parts.
Assisted Takeoff	Find a helpful lift.
Comet Hunter	Catch a comet.
Finally a Hero	Find a way to actually save the humans (Secret)
Finding A Purpose	Find a purpose.
Forest Ranger	Extinguish a forest fire.
Jumping Through Hoops	Fly through all the rings.
Lunar Standing	Land on a moon.
Rock Breaker	Destroy 25 asteroids.
Rubble Rescue	Search for survivors in a pile of rubble.
Storm Chaser	Chase a storm away.
There Can Be Only One	Prove you're the best of the best (Secret)
To be or not to be	Make a difficult decision (Secret)
Too Hot to Handle	Get real warm.