Oblivion - Mehrunes Razor 1.0

Oblivion is the fourth release in The Elder Scrolls role-playing game series. This is a single player adventure role-playing game developed by Bethesda Game Studios. The gameplay has a rather free structure, since the player can go anywhere within the land at any time. The game provides a feeling of never-ending and the player is able to construct his characters however he wants, with no restraints regarding skills or equipment. The game is almost completely open to modification, and there are hundreds of changes available on the internet. The game has many enemies for the main character to confront, including monsters and animals.
Mehrunes' Razor is an official patch that adds a quest to get a powerful dagger. It also adds a nine level dungeon, a new set of armor pertaining to an assassin, new clothes and new weapons. And finally, it also adds new items and nine new scrolls which turns iron ore (new as well) and silver nuggets up one level(i.e. Iron ore turns into silver and silver into gold).