What game is a really good game

that of course depends entirely on your opinion of what a good game is and which console you have. there is such a wide variety of good games to choose from,
i personally have an Xbox360 and
my favorite action game- Battlefield bad company 2
my favorite strategy game- banjo kazooie
my favorite shooter- battlefield 3
my favorite online shooter- battlefield 3
my favorite RPG- Elder scrolls skyrim
my favorite sports game- any of the UFC undisputed games

my least favorite action game- Call of Duty
my least favorite strategy- portal
my least favorite shooter- call of duty
my least favorite online shooter- call of duty
my least favorite RPG- Any final fantasy
My least favorite sports game- basketball games