The Elder Scrolls IV: Shivering Isles is the official expansion pack for The Elder Scrolls IV: Oblivion. The expansion adds an additional 250 gamer points bringing the total points that can be earned for The Elder Scrolls IV: Oblivion to 1250 points. All additional gamer points are for ranks attained in the new "Mad Court" faction. The action takes place in the "Realm of Madness", also known as the Shivering Isles, a realm ruled by the daedric prince Sheogorath. The realm is divided into two sections: Mania, which is bright, colorful and over-saturated, and Dementia, which is dark, depressing and claustrophobic. Each region is to have its own capital city. The Isles are threatened by an event called the "Greymarch" which happens at the end of each era and a champion must save them from possible destruction at the behest of Sheogorath.

HINTS

Evidence chest

At the southern most point of the Shivering Isles, south of Madgod's Beet, is a cave called Corpserot Prison. Inside at the very beginning of the cave, you will find the evidence chest. It is in both Mania and Dementia. Note: On your map, Corpserot Prison is called Corpserot Passage.

Death Decree

Somewhere near Dunroot Burrow upon a hilltop are a couple slabs of stone. On those slabs of stone is a dead person, with a Potion of Nighteye nearby, some skeletons, and a note. The note is called "Death Decree." Pick it up and read it. It says that a man named "Robert Wisnewski" was sentenced to death by Sheogorath. Robert Wisnewski is on the Bethesda staff list. The reason for his death sentence was for trying to grow a beard (in which you cannot have a beard except for Sheogorath in Elder Scrolls).

The Elder Scrolls 3: Morrowind reference

In Bliss, there is an Argonian named Big Head. Big Head's quest is to find The Fork of Horripilation. In The Elder Scrolls 3: Morrowind, there is an Argonian that lives on the island farthest to the northwest of the Sheograth Region. In Morrowind, sitting on Big Head's table is The Fork of Horripilation.

Here's a trailer for the game: