All of the assets required can be downloaded here.
The sprites for the boxes are in the Items --> Boxes
The Chain tracks and Platform Assets are available further down the page.
Create any level you like.
Use the Vertical and Horizontal Platforms in your level.
Use the chain image too (as a tiled background)
They can be found in the folder below.
You may copy my level layout.
Follow these steps to import the moving platforms
This is for both the Vertical and Horizontal platforms.
Double-click to add a new object.
It will import all the images AND animations.
Delete the first Animation (Animation 1)
Both Vertical and Horizontal Platforms have two animations:
To draw the tracks import the chain image as a new TiledBackground object.
Extend the TiledBackground Horizontally and Vertically to make the tracks for your moving platforms.
One of the conditions for allowing the platform to move will be that it is overlapping a chain.