I don't know if this was mentioned already, but if you start hitting walls in the room right before the dirt pit vent drop your screen will go black and the tutorial will restart, not sure if anything changes after the restart though, not even sure if it's intentional
Viewing post in VotV Tutorial secrets
You fall under the floor and spawn in the starting room. This is a bug in the new version. When I replayed the entire tutorial to find new secrets, I fell through the floor like 4 times. In the story mode, if you fall under the textures, you get into a labyrinth. The teleport animation is the same as in the tutorial