Really liked all the effort put into the intro sequence, the story and the atmosphere ! really liked the UI too. The overall puzzles are very nice too !
The controls feel a littleb bit clunky unfortunately.
Here some feedbacks on my playthrough:
The arrow is going slower than the character
The jump is a little bit strange (I think it is even useless here, si you could even think on removing it entirely)
The camera movement and character displacement are a bit off.
The camera is a little bit weird when switching characters (but this would be a lot of efforts to fix it)
But overall, I am very impressed by the fact that you tried a 3D game that big in such amount of time !
Great job!