Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Apprentice	Clear game tutorial
Back to square one	Clear space tier and finish Reckpunk in normal mode.
Enlightment	Finish Reckpunk in no death mode and witness the end.
No more 9/5	Clear industrial tier.
Out of the sticks	Clear hills tier.
Reaching the surface	Clear cave tier.
Rehearsal for the real thing	Finish Reckpunk in challenge mode.
To Space!	Clear megapole tier.