The Binding of Isaac achievements
2,177
(990)

The Binding of Isaac

4.0 from 170 votes

There are a maximum of 99 The Binding of Isaac achievements (52 without DLC) worth 2,177

3,892 tracked gamers have this game, 136 have completed it (3.49%)

Achievement Details

The Book of Sin in The Binding of Isaac

The Book of Sin15

Destroy the 7 Sins!

  • Unlocked by 1,772 tracked gamers (46% - TSA Ratio = 1.48) 3,892  

Achievement Guide for The Book of Sin

AuthorSolution
ClownTastic08
7,276
ClownTastic08
Achievement won on 03 Nov 15
TSA Score for this game: 2,177
Posted on 03 November 15 at 06:42
This solution has 1 positive vote and 0 negative votes. Please log in to vote.
To unlock the Book of Sin you must defeat each of the Sin themed mini-bosses at least once. The bosses are

Pride
Sloth
Envy
Greed
Gluttony
Wrath
Lust

As soon as you defeat the seventh boss it will unlock.
Please log in to comment on this solution.
Do you have a question about this achievement? Please post it in the The Binding of Isaac Forum