Nice idea with some interesting puzzles, wish there were more! Got lucky at the end and still just about managed to get on the platform when the plank ended up intersecting with the ground.
I am surprised to know that the box at the beginning has not yet had any comments.ヾ(⌐■_■)ノprevent objects from entering walls and floors was the worst part... the proof is that I couldn't resolve anything Kehehehehe~~
