No, I downloaded the Steam version.
Anyways, thanks for the update! The one for opening the 5th book is the only one I have left.
Is it a bug that it didn't unlock? Have you opened the 5th book without it unlocking?
I can't find the fifth book.
Have you reached the text ”I SEE YOU has changed and flipped around”? Head into the I SEE YOU icon and click on the correct letters once again. I C U, to unlock the fifth book.