The Binding of Isaac achievements
2,159
(990)

The Binding of Isaac

4.0 from 177 votes

There are a maximum of 99 The Binding of Isaac achievements (52 without DLC) worth 2,159

4,106 tracked gamers have this game, 154 have completed it (3.75%)

Achievement Details

The Radioactive Spider in The Binding of Isaac

The Radioactive Spider11

Complete the basement

  • Unlocked by 3,676 tracked gamers (90% - TSA Ratio = 1.05) 4,106  
Do you have a question about this achievement? Please post it in the The Binding of Isaac Forum