I've explored about 2000-3000 feet, and counting
It's already been a day, hasn't it? I can't tell.
I wish I could go back.
After exploring more, I came across a wall and ceiling change. The ceiling tiles are different, and the wallpaper is DEFINITELY different. I don't know if this is an entry to another level, or not.
Here's the change of the wallpaper:
Should I go in?