Each World is a part of a galaxy. The following are the current galaxies ( In progress)
Cartoon Network Galaxy
Nowhere
Townsville
Genuis Grove
Sector V
Bravo Beach
Orchid Bay
Land of Aliens ( Destroyed)
Endsville
Camp Kidney
Cryptonia ( destroyed)
Nanitia
Marquee Row
Anima Galaxy
Iron Town
Draculania ( Destroyed)
Mew City
Lyoko
Land of Heroes
Youkai Academy
Duel Land (Destroyed)
Pharaoh Kingdom
New Domino
Nicktoons Galaxy
Mega Nick world
City Zoo
I City
Avataria
James Polk
Amity Park
Dimmsdale
Retroville
Bikini Bottom
Flux Time wild galaxy
Prehistoric Park
Isla Nublar
Spaghetti Junction
Whisker Scrubs ( Destroyed)
Dutchy of Hope
Sea World
Warner Galaxy
Liberty Land ( Destroyed)
Porkbelly ( Destroyed)
Xalion Temple (Destroyed)
Talismania ( Destroyed)
Expanded Kingdom hearts galaxy
Tiptonia
Danville ( Destroyed)
Radiator Springs
Novel Galaxy
Great Forest
Alegesia
Chedar Appartments
Olympian Manhattan
Du'attian Manhattan
Vampiric Woods
Dreamgalaxy
Valley of Peace
Ninten Galaxy
Kart Land
Mobius
Pokemon Castle