For future reference.....
The capx was PM'd to me. It is a game in progress with a lot of potential.
The thing is this ...
Say one has a layout with Layer1, Layer2, and Layer3.
Dimensions of the layout is the same as the project window.
Unbounded scrolling is off.
Now if you zoom Layer1 and Layer2 (not layer3), one would expect to able to scroll the layout inside the project window.
That will not happen if the parallax X/Y for Layer3 is still set to 100/100.
The layout will not pass the 'unbounded scrolling' check when one layer cant scroll pass the boundings.
Because it is NOT zoomed as Layer1 and Layer2 are.
Got to set the parallax X/Y for Layer3 to zero/zero to exclude it from the 'unbounded scrolling' check.
As always, my English is still not improving.