RGB Filter: Epic Games had to pull off a hat trick with the concluding chapter of Gears of War. First is to bring new visual and gameplay tweaks that are prerequisite for a sequel to be a hit with the fans. Second, they needed a way to recap the story for newcomers. Finally, they needed to wrap up the story in a way that is satisfying for a trilogy that was designed to end with the third installment.
Epic pulled it off with style and grace, as Gears of War 3 exemplifies exactly what a sequel should be.