I'm new to the game. I'm on level 1, into the soda room. I guess it's known that if you take one of the boards and use it to get up to the wall you can walk around the room. Well yesterday I did it and after a complete turn found a blue chess pawn. Unfortunately later I wiped my save my mistake so today I repeated the level, but while walking around I fell into a seemingly endless void and since then I'm still "falling" (it's been no less than five minutes by now). It's pitch black and I can't interact with anything. No turning around, nothing to grab. It would seem pretty much a glitch except for a windy sound I'm hearing, so I assume it's some kind of shadow riddle, but I can't solve it.

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Does any of you know what I'm talking about? Any help would be appreciated.

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UPDATE: Idk if I found something but It seems PRETTY intentional and I'll try to explain:

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1. Climbed up to the wall with the help of a board.
2. Went to the corner where the blue pawn was my first time.
3. I started walking from there following the long wall and I immediately noticed that something was slowing me, my speed wasn't the same. Like a couple meters later I start moving at the normal pace. If I come back to the corner it's the same again. There is a spot where something slows me.
4. From there, I grabbed another board. If I put it on the wall, anywhere, it stands there, but if I put it on the place where I walk slower it dissapears into a void and a couple seconds later it reappears in front of the soda door.
5. However, now I can't throw myself into that void, no matter how hard I try.