Back when Xbox exclusives were typically spelled H-A-L-O, Epic Games came along to give third-person shooters an extra coat of blood-spattered paint. This unique formula arguably peaked in November 2008 with Gears of War 2. To this day, not a single game of its kind has arguably even come close to matching the magic of Horde mode. Gears of War 2 wasn't just a tremendous Gears of War sequel, it was an incredible game, period. 15 years later, it may still be the best of the entire franchise to date. That's not to say its immediate follow-up, Gears of War...