A long time ago in a galaxy far far away... Star Wars took place. However, this is not Star Wars and it doesn't take place in this universe.

Anyway... there are four universes in my game. The one we will speak of is Panhumanna (All Men).
Panhumanna, which is not normally referred to as such, is split up into two worlds: Gaia (Earth) and Lunus (Moon). Gaia is is a rich and beautiful land filled with lush greenery and forbidding peaks, deep oceans and dry deserts. The hardy Dwarves are native to this world, though they prefer the dark caves where their forges are to the fresh air of the world above where Man lives. Powerful Elemental magic is learned here where the land is rich and full of life.
Lunus is smaller, drier, and colder than Gaia, but is still home to many beings. The creatures here tend to be of a magical nature more than those of Gaia. The fast and slender Elves spring from here. However, as opposed to the Dwarves, there are great divisons in class between Elves. The poorer Elves stick to the forests of their birth, while the richer, better educated ones live in a huge hidden city of which little is known. There is said to be a gateway to other worlds here, but even those who have lived there cannot confirm this. Lunus is home to Dimension magic.

Panangelum and Pandaemonium
Only said to exist by the religious fanatics, Panangelum (All Angels) is where the "Ultimate Good" is said to live. A "Righteous" soul will go here when the body dies to live forever in paradise with the "Ultimate Good". Magnificent beings called "Angels" come from here to protect the "Righteous" and Panhumanna itself.
Pandaemonium (All Daemons)
Also only said to exist by religious fanatics, Pandaemonium is the exact opposite of Panangelum. It is a horrible place  where wicked men go to be tortured for eternity after their deaths.  Nightmarsh creatures known as "Daemons" come from here-hence the name-to torture and destroy all that is good. Many wicked people have made pacts with Daemons for their power.
It may well be that these places are only reachable by death, if they exist at all.