Up until now, we’ve known for certain that the Undead Nightmare Pack for Rockstar Games’ Red Dead Redemption was going to be something awfully special, as batches of screenshots and released videos can attest.

But this launch trailer for the zombie-infested downloadable content? It seals the deal for real, giving us extended looks at the horrifyingly terrific singleplayer campaign with all new quests to complete, enemies to defeat, and horses to meet.

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Don’t take our word for it, though: Watch the incredible launch trailer for Red Dead Redemption’s Undead Nightmare Pack and see how the content got its name:

Red Dead Redemption – Undead Nightmare Pack Launch Trailer

Don’t forget that the Undead Nightmare Pack also contains an all-new multiplayer component, too!

Here’s a message from Rockstar Games about the availability of the Undead Nightmare Pack:

“Please note that per Microsoft and Sony’s standard update timings, we expect the Undead Nightmare Pack to be made available for download on Xbox LIVE worldwide beginning at 12 midnight Eastern time tonight; and on PSN by tomorrow morning in the in-game store worldwide as well as the PSN Store in Europe (availability at the PSN Store in North America is expected tomorrow evening [10/26] sometime between 5-8 PM Eastern).”

Thanks!