A world with hyper-accelerated time caused by Neuron's devices.Populated by Crazed, citizens who have been driven mad by the temporal acceleration. A world with hyper-accelerated time caused by Anti-Matter's devices.A world being investigated by Longbow, led by Dr.Aeon without authorization from Arachnos. Inhabited by Council (not Council Empire) and being investigated by Nemesis.Devouring Earth and Longbow are fighting. A world nearly overtaken by the Devouring Earth.The hero must travel here to locate a copy of the Tome of Persephone.A world in which Nemesis took over by hooking the population on Superadine.A world in which Nemesis was able to take over by blocking out the sun with self replicating smog machines.A world in which the hero must venture into to save several scientists' other halves.Multiple other Nemesis controlled worlds.A world controlled by Nemesis, who is opposed by a secret cadre of freedom fighters.This is an alternate world where the plot of A Path into Darkness succeeded and the planet seems to have suffered a major invasion of Nictus, to the point of having no more daylight, only darkness. Perpetually night world, ruled by the Requiem of that dimension.The people of Oranbega here did not follow the dark path which lead to the creation of the Circle of Thorns A world where Oranbega won their war against the nation of Mu.A world controlled by the Council Empire.It is unknown if Epsilon Tau 27-2 is the same dimension as Clockwork World, which is also solely inhabited by the Psychic Clockwork. Here, the Clockwork King realized his true potential, and destroyed all the heroes, along with the rest of humanity.Other versions of other Freakshow archvillains might exist here as well. This world is known to have its own Bile. A world destroyed by your alternate self, now inhabited by Ghosts resentful of the living.She gets her power and her Shadow minions from this dimension. Black Swan's dimension and one of 17 Shadow Worlds.Valkyrie's spear originated from this dimension too it is not known how it arrived on Primal Earth. Humans do live here, but most have been evacuated to Earth Prime. The Shadow Shard: Mysterious realm that defies normal rules of reality and is home to Rularuu the Ravager after the heroes of Earth Prime banished him there, ending his devouring of universes.The Rikti are genetically similar to humans but were altered by the aliens that visited them into having a "Hive Mind". Rikti Earth destroyed magic and gods early in its history and was visited by an unknown alien power around the time of 2000 B.C. Cole's regime is opposed by the Resistance and Praetoria's version of the Carnival of Shadows, called the Carnival of Light. The remaining human population is controlled by Emperor Marcus Cole, Tyrant, from his city of Praetoria, which was built upon the ruins of Paragon. Most of Praetorian Earth has been conquered by Hamidon and its Devouring Earth monsters. Many prominent heroes and villains from Primal Earth have alternate versions that exist in Praetoria, although they are often of a very different moral character. Praetorian Earth: Home of the Praetorians.Additionaly, Mediporters, also developed from captured Rikti technology, have made hero combat deaths almost non-existent by swiftly teleporting injured heroes away and healing them. War Walls using captured Rikti technology protect the undestroyed City Zones, where Paragon's citizens live, and pen in destroyed Hazard Zones, where only heroes are allowed. Primal Earth's main unique feature is that it was involved in an interdimensional war with Rikti Earth, resulting in the destruction of most of Paragon City. Primal Earth: Home of the Freedom Phalanx and Arachnos, along with all non-Praetorian player characters.The Multiverse is a term used by Portal Corporation and various other organizations to refer to the infinite possibilities of alternate universes.