This Game of the Year Edition includes:

• Red Dead Redemption (base game)
• Red Dead Redemption: Undead Nightmare (DLC)
• Legends and Killers Pack (DLC)
• Liars and Cheaters Pack (DLC)
• Outlaws to the End Co-Op Mission Pack (DLC)
• Myths and Mavericks Bonus Pack (DLC)
• Solomon’s Folly single player gang hideout and challenges (first time for the Xbox 360 version)

It also includes all the original preorder content:

• Deadly Assassin Outfit
• War Horse
• Golden Guns Weapon Pack (DLC)
• Hunting and Trading Outfits Pack (DLC)