| Achievement | How to unlock
|
|---|
| Abel | Complete the final chapter with Cain
|
| Blood Rights | Kill Satan with Samson
|
| Bloody Lust | Kill mom's heart with Samson
|
| Dad's Key | ???
|
| Daddy's Love | ???
|
| Guppy's Hairball | ???
|
| Guppys Tail | Complete Challenge 4
|
| Mega Fetus | Complete Challenge 6
|
| Platinum God! | 100% the game
|
| Samson | Kill mom but pass 2 treasure room items
|
| Super SMB Fan | Complete Challenge 7
|
| The Bloody Penny | Complete the final chapter with Samson
|
| The Burnt Penny | Complete Challenge 3
|
| The Candle | Complete Challenge 1
|
| The Counterfeit Coin | Complete Challenge 9
|
| The Cross | Complete the final chapter with Maggie
|
| The Curved Horn | Complete the final chapter with Judas
|
| The D20 | Complete the final chapter with Isaac
|
| The Fish Head | Complete Challenge 5
|
| The Lucky Toe | Complete Challenge 2
|
| The Polaroid | ???
|
| The Rainbow Baby | Complete the final chapter with ???
|
| The Sacrificial Knife | Complete the final chapter with Eve
|
| The Spider Butt | Complete Challenge 8
|