Complete the indicated to unlock the achievement.

Achievement	How to unlock
CORRUPT	Win a run with a corrupted character.
DEFENDERS	Unlock all characters.
DEFENDER	Win a run.
EFFICIENCY	Win a run in under 25 minutes.
ENERGY SAVER	Win a run without using your ability.
ENFORCER DEFORCER	Defeat the Enforcer.
STALWART DEFENCE	Beat all bosses.
TINKER	Unlock all turret classes.
TRUE DEFENDER	Win a run on HARD.
UNTOUCHABLE	Win a run without being hit.
WELCOME	Launch the game.
YOU LOST	Lose for the first time.