The screenshots look so interesting and I would love to finish the game because it looks amazing and gives me a super cool vibe but unfortunately can't get past the long corridor? The long part with hair on the bottom and top.
I think it would fix this problem if when I pressed to move up or down it wouldn't rotate the character 360 degrees. Probably you have movement set so it rotates towards the velocity but instead of picking the shortest path to the desired rotation, it takes a long way around ( if the rotation degrees are 220 and the desired one is 0, it moves from 220 to 0 instead of going towards 360 ending up to 0). In my game engine, I would fix it by using lerp_angle() not lerp() but don't know the solution in yours.
Or maybe that's the desired movement and I am just dumb. In any case, I don't have the skill to complete the game (believe me, I have tried!!!)
Even if I couldn't give you too much feedback maybe you can give me some on my entry.