The Wrath of the Lamb Add-on for The Binding of Isaac has 32 achievements.
100% the game
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Complete the final chapter with ???
Complete the final chapter with Eve
Complete the final chapter with Samson
Complete the final chapter with Maggy
Complete Challenge 9
Kill Satan with Samson
Complete the final chapter with Isaac
Complete the final chapter with Judas
Complete the final chapter with Cain
Complete Challenge 8
Complete Challenge 7
Complete Challenge 6
Complete Challenge 5
Complete Challenge 4
Complete Challenge 3
Complete Challenge 2
Complete Challenge 1
Kill moms heart with Samson
Kill mom but pass on 2 treasure room items