The Writers Guild of America have nominated 5 games of 09 to receive the Best writing award.
They are:
Assassin's Creed II
Call of Duty: Modern Warfare 2
Uncharted 2: Among Thieves
Wet
X-Men Origins: Wolverine

Seriously? MW2? My sofa had a better plot then this game!

Anyway what would be your pick as the best writing in a game?