I'll echo some of what others have shared that some aspects of the game are janky (axis-locked movement, offset collision).
The puzzles are pretty simple and they don't evolve too much since you just always put the orbs in a similar order.It would be worth trying to mess around with those ideas more or add more elements to make the puzzles less of a todo list.
I don't think putting a red orb into a yellow slot or a blue orb in a green slot is super intuitive, confused me a bit.
Also.. for a game called Mr. Orb a lot of the elements in the actual game are more like squares..?