Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Annalee Call	Clear The Moses Island.
Anthony Carboni	Make Loads of Cash.
Ash	Clear The Road.
A	Clear The Sewers.
Bishop	Clear The School Bus.
Carry On, Carry On	Clear The Dungeon.
Carry On	Finish The Game With Bad Ending.
Children Of Satan	Clear To The Moon.
Dare Devil	Complete The Game Without Purchasing Any Upgrades.
David 8	Clear The Laboratory.
Devil's Dare	Finish The Expert Mode With Good Ending And four Biggest Bets.
Didn't Mean To Make You Cry	Clear The Train Station.
Double Dare	Finish The Expert Mode With four Bets.
D	Clear The Elevator.
Friendship	Perform 500 Fatalities.
I Sometimes Wish I'd Never Been Born At All	Clear The Woods Cabin.
Isaac Asimov	Clear The Boss Office.
I	Clear The TV Station.
Jon Rivera	Survive And Reach Night.
Killer Instinct	250 Monsters Killed.
Make Love	Perform hundred Massarce.
Mama, Just Killed A Man	Clear The Ghost Train.
May Not Injure A Human	Clear The Hallway.
Monster Hunter	Fatality Kill Each Kind Of Elite Monster.
Murderous Intent	500 Monsters Killed.
Must Obey Orders	Clear The Elevator.
Must Protect Its Own Existence	Clear The Dark Hall.
Not War	Perform 200 Massarce.
Super Dead Meat	Game Over Again And Again.
S	Clear The Big Apple.
TROLOLOL	Buy ten Pendant.
This Is Madness	750 Monsters Killed.
This Is The End	Finish The Game With Good Ending.
Toasty	Perform 250 Fatalities.
Yoga Necklace	Thousand Monsters Killed.
You Had Just Played A Game	Clear The Floating Island.