Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Bad Friend	(Secret)
Glutton for Punishment	Die 100 Times.
Good Friend	(Secret)
Impostor Syndrome	(Secret)
Killer	Shoot 1000 Enemies.
Level Five	Complete Level Five.
Level Four	Complete Level Four.
Level One	Complete Level One.
Level Six	Complete Level Six.
Level Three	Complete Level Three.
Level Two	Complete Level Two.
Take It Easy	(Secret)