Red Dead Redemption Game of the Year

The Dead Eye targeting mechanic, allowing the player to slow down time for shot accuracy
Expansive open-world gameplay set in the final years of the American Wild West.
Massive play area filled with NPCs, made up 3 unique regions composed of towns and outposts filled with varying characters
Morality system based on honor and fame generated by the players actions throughout the game.
Western themed mini-games including showdowns, gambling, hunting bounties, cattle herding and five finger fillet