Complete the indicated task to unlock the achievement.

Achievement	How to unlock
COMPLETE CHAPTER 1	COMPLETE CHAPTER 1.
COMPLETE CHAPTER 2	COMPLETE CHAPTER 2.
COMPLETE CHAPTER 3	COMPLETE CHAPTER 3.
COMPLETE CHAPTER 4	COMPLETE CHAPTER 4.
COMPLETE GAME	COMPLETE GAME.
FIND THE SECRET MANOR AREA	FIND THE SECRET MANOR AREA.
FINISH THE GAME IN UNDER 2 HOURS	FINISH THE GAME IN UNDER 2 HOURS.
SHOOT LESS THAN 50 BULLETS	SHOOT LESS THAN 50 BULLETS.