For an open-world game with potentially hundreds of hours of gameplay, Elder Scrolls V: Skyrim had more than enough to keep most gamers busy.
Despite that, developers Bethesda Game Studios are releasing more anyway.
Skyrim Dawnguard is the first downloadable content (DLC) available for the game, and will be exclusive for Xbox for 30 days.
The trailer features vampires fighting Van Helsing-style hunters in a medieval monster-mash.
It also promises yet more classic dialogue, with lines like: "You have returned my daughter. But what is it you seek? Is it to be one of us? To make the darkness your own? To feast on the souls of the living?"
The expansion pack will cost a total of 1600 Microsoft Points (£13.71), and be available on Xbox LIVE in Summer 2012.
Take a look at the trailer, which is above.
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