Choose your favorite out of the 2 choices. Simple.
FIFA or Pro Evolution Soccer?
Call of Duty or BattleField?
Halo or Gears of War?
Need For Speed or Gran Turismo?
Forza or Project Gotham Racing?
Grand Theft Auto or Left for Dead?
My favorites:
FIFA
Call of Duty
Gears of War
Need For Speed
Project Gotham Racing
Grand Theft Auto