Business / Technology

Kids are back in school and the weather’s cooling, so it must be time for rowdy video games.

Like “Gears of War 3,” a raucous, sci-fi shooter that Microsoft is releasing Tuesday, starting its Xbox holiday season with the clatter of automatic weapons and roars of attacking aliens.

“Gears” follows a squad of muscle-bound soldiers fighting to save humanity with an array of weapons, including the game’s trademark assault rifle with a chainsaw bayonet.

But the real challenge facing “Gears” and other blockbusters coming out this fall is how much they can revive game sales, which plunged over the summer.

Here’s just the thing to patch things up with your spouse, after you abandon them for “Call of Duty: Modern Warfare 3” as the holidays approach. It’s a special edition “Modern Warfare 3” Xbox 360 console that will brighten any living room’s decor. It also makes special MW3 sounds when you power it on and open the…