Oh, you got the puzzle correct. Just interact with the ice gate to make it go away.
Crap, I was about to race to say that before you do, I was about to say "Before you tell me about it, in the 2nd and 3rd stage of Zetta's fight, your screen will turn black when you lose to time." I fixed it now, and I think I fixed everything. I hope I don't jinx it, but I think I fixed mostly "ALL" the bugs.
The only thing I'm not sure if it's fixed, is:
-The empty text box you mentioned in floor 2, I cannot replicate what you've said.
-In the floor 3 boss, there's a chance for the text of the boss to repeat once or twice, but I couldn't get it to happen again, maybe I fixed it before.
Oh yeah, if you happen to not finish the game yet by the time the update comes out. Just copy your save file into the new update by copy and pasting the contents of the save folder to the new update.
Just defeated Petra and the other girls, I almost died at the final attack and now my character look like this XD
Even the mouse on the inventory looks like a ghost hahahahahaha
That ending is a masterpiece, I am still going to wait for the update because I want to know what does the first green door do and see that girl
I ended this amazing game in about two hours
Oh wow, yeah. I also fixed that bug (The one where you become transparent) after the fight with the Entropy sisters (What the 4 girls are called, Notice how all their names are spelled with the letters from Entropy). Keep your save file, I added a quick fast travel system near the last floor so you can go back to the previous floors with ease if you missed anything.
The secret girls locations:
There is one in the first floor -> First area to the left
(The secret girl in this floor has a conversation with Gaille if you want to see it, it's in the place where you got the lantern [2nd floor, 1st area, door to the rightmost of the F2 1st area entrance, then across the other door.)
There is the one through the green door in the 2nd floor
There is one in the maze - (You can still meet her)
The one sitting in the staircase between floor 2 and 3 cannot be interacted with but she's the "boogeywoman".
BY the way, update's done. Transfer your save file to the new version.