NOTE:
The Arcade restricts the access to the SAVE option.
It is working fine in the Template.
A simple Map Editor that will let you test the Template.
You can also Save and Load your creations!
There are two Layout, in the first one you can place only some specific tiles in related locations, while in the other you create a Map from scratch.
This is a demo for a Template that you can buy in the Asset Store :
construct.net/en/game-assets/game-templates/map-editor-template-basic-794