You can watch video instruction or read text version.
https://www.youtube.com/watch?v=uTBn4lokoLE
You can add new level objects like some new type of grounds and other.
You can find all objects in a “Level Editor” window from “Welcome Menu” window.
Here you can see button “Level Object”. Open it.

Here you can see 5 tabs, that represent types of used objects in the game.
You can edit, sort, and create new objects. To create a new object press the “Create New” button.

Create and press “Edit” on a new object.
Here you can see all the required parameters of the object:

Let’s fill these values.