Board Thread:General Discussion/@comment-26231129-20151026021515/@comment-24801399-20151101004930

The stamp is probably bugged.

But you should definitely try and make sure you visit every room that at least has some sort of change (eg: just a darkened sky). Only the following have none whatsoever:


 * EPF Command Room
 * Water Dojo
 * Underground rooms (except Underground Pool)
 * Box Dimension