Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Hide and Seek! NIGHTMARE	Survive Hide and Seek in Nightmare Mode!
Hide and Seek!	Found her 10 times and survived!
MORTEM	Completed the game!
No Worries!	Complete the game and the bonus levels!
Peek a boo! NIGHTMARE	Survive Peek a boo in Nightmare Mode!
Peek a boo!	Survived Peek a boo!
Power Out! NIGHTMARE	Survive Power Out in Nightmare Mode!
Power Out!	Survived Power Out!
Wind, Wind, Wind! NIGHTMARE	Survive Wind Wind Wind in Nightmare Mode!
Wind, Wind, Wind!	Survived Wind Wind Wind!