Place user-created custom maps in this folder
Create maps using Tiled Map Editor http://www.mapeditor.org/
For easy map creation copy and edit template.json (this file is ignored by the game)
For more information see the included Map Editing Guide
For downloading and sharing maps visit http://kitsunegames.com/uhd/maps/

To bundle multiple maps, create a zip file containing the json files. These will be played in alphabetical order. A special file info.json can be added to name the map set and creator, in this format:

{
    "name": "Example Map Set",
    "creator": "Kitsune Games"
}

For single maps the name and creator fields in the map's properties are used.