From Creatures Wikia
Sphericus is the name of the three-dimensional Earth-like planet that the Shee relocated to after their exodus from Albia. The Shee Ark is orbiting around Sphericus, and in the final chapter of the Lone Shee chronicle, was attacked by the Banshee.
Fishing Cactus have confirmed that Creatures Online will take place on Sphericus.
Sphericus of Creatures Online
There will be multiple environments in the Sphericus of Creatures Online, and more may be developed for sale.