By the way there are several Maps for a varied CreepSmash game experience. Do you want to help to design some more Maps?
Freakazoid wrote a Mapeditor wich helps to design Maps easily.
You can get the Map editor file and some help in the Forum.

Map-Tutorial:

1. Choose the interface-color(This is the ingame highlighting of the map), creep path and blocked fields.
2. Attention: You design only a “quarter”. The complete field is made of four quarters wich are rotated by 90° to the right. The path beginning and path ending have to meet together so the map works!
3. If you want to use a background the picture then the picture size is 321px  x 321px.
4. Save map as map_NameDerMap.map where Name is your map name.
5. Make a zip-file with a jpg picture of the map (map_NameDerMap.jpg , 321px x 321px) and the map file.
6. After that you should post your zip-file in the forum.

The following maps are publicized: