Let me give a first attempt at this...
North Division
Fallout 3 with 72.31%
Rock Band 2 with 63.71%
Batman: Arkham Asylum with 73.87%
Team Fortress 2 with 57.34%
Uncharted 2: Among Thieves with 61.42%
Sonic Adventure 2 with 54.91%
Halo 3 with 52.34%
Halo: Combat Evolved with 60.79%

Northeast Division
Metroid Prime with 66.21%
Devil May Cry 3: Dante's Awakening with 79.53%
Mega Man 9 with 53.12%
Okami with 67.09%
Tales of Symphonia with 61.87%
God of War with 65.41%
Grand Theft Auto III with 58.73%
Half-Life 2 with 73.13%

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I fell in the Guru Contest, because Dr_Football was there.
GENO WHIRL!