No game is perfect, but I certainly have some game that I would happily give 10/10 for a metacritic bump.
Doom
Metal Gear Solid
Half Life
Deus Ex
Halo Combat Evolved
Halo 2
Halo 3
Max Payne
Splinter Cell Chaos Theory
Hitman Contracts
Timesplitters 2
FEAR
Gears of War 1
Gears of War 2
Mass Effect 2
Assassins Creed II
Bioshock
Batman Arkham City
Bioshock Infinite
The Last of Us
HM's would be Tomb Raider, Dishonored and System Shock II