Your "top" Xbox 360 games

Okay now before you guys all go posting your fav 360 games and then quickly flying back to the main forum page, that isnt specifically what I am looking for. This is more of a comprehensive look at your entire 360 library. I have listed several categories, and would ask that you please select whicheve game you own that fits the bill for each one. I am just wondering how many other people play similar games to me, maybe get an idea or two, and just see what games are in your consoles right now. Here are the categories:

Your most played game (single player): My answer, Oblivion

Your most played game (multiplayer): My answer, Call of Duty 4

Your favorite story in a game: My answer, Mass Effect

The game you replayed the soonest after beating the first time: My answer, Gears of War

The game you play whenever you are bored and dont know what else to play (your fallback game): My answer, Gears of War 2

The game you are best at: My answer, Dead Space

The first game you maxed out achievements in: My answer, Oblivion (well, almost, just have to do the thieves guild)

Your first 360 game: My answer, Crackdown

The hardest game you own: My answer, Ninja Gaiden II

The game you couldnt beat (just put NA if you have completed all of your games, or are still working on all of them): My answer, Ninja Gaiden II

The game you bought, traded away, and then repurchased: My answer, Bioshock

Finally, your all time favorite Xbox 360 game: My answer, Gears of War

now what are yours?

Did you really have to put my answer after every catergory...we get it.

Your most played game (single player)Oblivion, Tiger Woods 09, Rock Band 2

Your most played game (multiplayer): Halo 3

Your favorite story in a game: I liked the Fear universe and Halo. Also Tomb Raider Legend was cool.

The game you replayed the soonest after beating the first time: Mirror's Edge

The game you play whenever you are bored and dont know what else to play (your fallback game): Tiger Woods 09/Rock Band 2

The game you are best at: Rock Band 2

The first game you maxed out achievements in: Only got it for King Kong

Your first 360 game: I bought PDZ, Quake 4 and Kameo at launch.

The hardest game you own: Ninja Gaiden II

The game you couldnt beat (just put NA if you have completed all of your games, or are still working on all of them): Ninja Gaiden II, rest pretty much NA

The game you bought, traded away, and then repurchased: NA

Finally, your all time favorite Xbox 360 game: Oblivion probably

Your most played game (single player): My answer, Mass Effect, Tales of Vesperia, Resident Evil 5

Your most played game (multiplayer): My answer, N/A

Your favorite story in a game: My answer, Half Life 2, HL2: EP2, Mass Effect

The game you replayed the soonest after beating the first time: My answer, Resident Evil 5

The game you play whenever you are bored and dont know what else to play (your fallback game): My answer, Mass Effect

The game you are best at: My answer, Dead Space, resident Evil 5

The first game you maxed out achievements in: My answer, I need three more in Resident Evil 5

Your first 360 game: My answer, Mass Effect

The hardest game you own: My answer, None the titles I own are hard

The game you couldnt beat (just put NA if you have completed all of your games, or are still working on all of them): N/A

The game you bought, traded away, and then repurchased: My answer, Grand Theft Auto 4 and FallOut 3

Finally, your all time favorite Xbox 360 game: My answer, Mass Effect