>>20619639I think the daycare building was planned to be inaccessible in the beginning, like many other buildings in Kanto, but you can actually enter it and obtain a Cleanse Tag inside. I suppose so because you don't normally check doors unless they're shut down.
Anyway we had a thread dedicated to hidden stuff months ago that became quite popular and I've posted a lot of related stuff there.
Another nice easter egg is this one, it's the only way to see this message (using a walk through walls code. BTW there's also a hidden Nugget on the table and you can talk to the doll near the wall).
