I was recently asked how to create custom maps. So I gathered the essential links.
Guide:
http://www.creeptd.com/en/developers/mapsEditor:
http://www.creeptd.com/en/developers/mapeditorRead:
Make a correct MAP-File
viewtopic.php?f=19&t=2471Tutorialreihe: Mappingfunktionen
viewtopic.php?f=19&t=363Admission procedure/ Aufnahmeprozedere
viewtopic.php?f=19&t=1916Admission criteria/ Aufnahmekriterien
viewtopic.php?f=19&t=1911Allgemeine Informationen
viewtopic.php?f=19&t=908#p16535READ before posting a map || LESEN vor dem Mappost
viewtopic.php?f=19&t=168Short summary:
Open the mapeditor, create your path, doublecheck the pathing/blocked coordinates/empty lines of code/mapauthor signiture, create your background (respect the copyright | don't steal), make a mapfile, make a zip, upload your map in the forum, play it ingame.