Underworld n. : The lower of inferior world; the world which is under the heavens; the earth.

Underworld n. : The mythological place of departed souls; Hades.

Underworld n. : The portion of the world which is below the horizon; the opposite side of the world; the antipodes.

Underworld n. : The inferior part of mankind.

Example:
How to get a cat from Underworld on sims2?

Taxonomy
Lycan, Death Dealers, Lucian, prequel, story traces, origins, centuries-old, old blood, blood feud, vampires, slaves, In the Dark, the Dark Ages, Sheen, rallies, werewolves, Viktor, Nighy.

Defination from the web:
Underworld: Rise of the Lycans, the 3rd film in the Underworld vampire series. Starring Michael Sheen, Bill Nighy, Rhona Mitra, Steven Mackintosh, and Kevin Grevioux. Directed by Patrick Tatopoulos.