There are several known worlds in the universe of Asheron's Call:
- Auberean - The planet the Game takes place on. Native natural species include: Carenzi, Gromnie (young Gromnatross), Ruschk, and Siraluun. The Empyrean, while not native, have lived on Auberean for tens of thousands of years.
- Bur - Homew orld of the Burun, Moars, Fiazhat, and possibly the Thrungus. The Falatacot have had a strong presence on this world, although it is not their home world.
- Ezheret-Hazahtu - A planet and moon. The Moon, Ezheret, is the homeworld of the Tumeroks, Banderlings, Mosswarts, and Drudges.
- Insect Planet - Homeworld of the Olthoi and the Grievvers.
- Ispar - The Home world of Isparians - the humans that are playable characters. Heritage groups on Ispar include: Aluvian, Gharu'ndim, Milantos, Roulean, Sho, Silveran, Souia-Vey, and Viamontian. Ursuin are also native to Ispar, along with Rats, Rabbits, Chickens, and Cows.
- Tuu - Homeworld of the Lugians.