According to metacritic *ducks*...
Left 4 Dead - 88
http://www.metacritic.com/games/platforms/xbox360/left4dead
Resistance 2 - 86
http://www.metacritic.com/games/platforms/ps3/resistance2
Far Cry 2 - 85
http://www.metacritic.com/games/platforms/ps3/farcry2
Call of Duty: World at War - 84
http://www.metacritic.com/games/platforms/ps3/callofdutyworldatwar
No, this isn't the final word, but I thought it would be informative. Please leave all your metacritiic complaints at the door.