Kill 100 Red Dudes with a sawed-off shotgun.

Cut a few bullets in a row using a bladed weapon.

Kill an enemy while not looking at him.

Clear any level on normal difficulty and get at least 50 combo without any modifiers.

Clear any level without any modifiers.

Punch ASOBI and let him hit you back.

Release ASOBI into your room.

You've cleared Chapter Two.

Complete the mission "The Cleaner".

Complete Hill 493.

Cleared Free Mission on Hard one or more times.

Reached over 500 SP for acquiring Support Skills.

Complete Death Factory.